81444675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{811}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 146601728

約数和(自身を除く): 65157053

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 103, 195, 309, 325, 515, 811, 975, 1339, 1545, 2433, 2575, 4017, 4055, 6695, 7725, 10543, 12165, 20085, 20275, 31629, 33475, 52715, 60825, 83533, 100425, 158145, 250599, 263575, 417665, 790725, 1085929, 1252995, 2088325, 3257787, 5429645, 6264975, 16288935, 27148225, 81444675]

約数ペア:

[(1, 81444675), (3, 27148225), (5, 16288935), (13, 6264975), (15, 5429645), (25, 3257787), (39, 2088325), (65, 1252995), (75, 1085929), (103, 790725), (195, 417665), (309, 263575), (325, 250599), (515, 158145), (811, 100425), (975, 83533), (1339, 60825), (1545, 52715), (2433, 33475), (2575, 31629), (4017, 20275), (4055, 20085), (6695, 12165), (7725, 10543)]