81057375

素因数分解:

$3^3\times 5^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:151

約数の個数: 128

約数和(自身を含む): 177315840

約数和(自身を除く): 96258465

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 47, 63, 73, 75, 105, 125, 135, 141, 175, 189, 219, 225, 235, 315, 329, 365, 375, 423, 511, 525, 657, 675, 705, 875, 945, 987, 1095, 1125, 1175, 1269, 1533, 1575, 1645, 1825, 1971, 2115, 2555, 2625, 2961, 3285, 3375, 3431, 3525, 4599, 4725, 4935, 5475, 5875, 6345, 7665, 7875, 8225, 8883, 9125, 9855, 10293, 10575, 12775, 13797, 14805, 16425, 17155, 17625, 22995, 23625, 24017, 24675, 27375, 30879, 31725, 38325, 41125, 44415, 49275, 51465, 52875, 63875, 68985, 72051, 74025, 82125, 85775, 92637, 114975, 120085, 123375, 154395, 158625, 191625, 216153, 222075, 246375, 257325, 344925, 360255, 370125, 428875, 463185, 574875, 600425, 648459, 771975, 1080765, 1110375, 1286625, 1724625, 1801275, 2315925, 3002125, 3242295, 3859875, 5403825, 9006375, 11579625, 16211475, 27019125, 81057375]

約数ペア:

[(1, 81057375), (3, 27019125), (5, 16211475), (7, 11579625), (9, 9006375), (15, 5403825), (21, 3859875), (25, 3242295), (27, 3002125), (35, 2315925), (45, 1801275), (47, 1724625), (63, 1286625), (73, 1110375), (75, 1080765), (105, 771975), (125, 648459), (135, 600425), (141, 574875), (175, 463185), (189, 428875), (219, 370125), (225, 360255), (235, 344925), (315, 257325), (329, 246375), (365, 222075), (375, 216153), (423, 191625), (511, 158625), (525, 154395), (657, 123375), (675, 120085), (705, 114975), (875, 92637), (945, 85775), (987, 82125), (1095, 74025), (1125, 72051), (1175, 68985), (1269, 63875), (1533, 52875), (1575, 51465), (1645, 49275), (1825, 44415), (1971, 41125), (2115, 38325), (2555, 31725), (2625, 30879), (2961, 27375), (3285, 24675), (3375, 24017), (3431, 23625), (3525, 22995), (4599, 17625), (4725, 17155), (4935, 16425), (5475, 14805), (5875, 13797), (6345, 12775), (7665, 10575), (7875, 10293), (8225, 9855), (8883, 9125)]