7243425

素因数分解:

$3^4\times 5^2\times 7^2\times {\mathrm{73}}^1$

素因数の和:109

約数の個数: 90

約数和(自身を含む): 15821718

約数和(自身を除く): 8578293

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 73, 75, 81, 105, 135, 147, 175, 189, 219, 225, 245, 315, 365, 405, 441, 511, 525, 567, 657, 675, 735, 945, 1095, 1225, 1323, 1533, 1575, 1825, 1971, 2025, 2205, 2555, 2835, 3285, 3577, 3675, 3969, 4599, 4725, 5475, 5913, 6615, 7665, 9855, 10731, 11025, 12775, 13797, 14175, 16425, 17885, 19845, 22995, 29565, 32193, 33075, 38325, 41391, 49275, 53655, 68985, 89425, 96579, 99225, 114975, 147825, 160965, 206955, 268275, 289737, 344925, 482895, 804825, 1034775, 1448685, 2414475, 7243425]

約数ペア:

[(1, 7243425), (3, 2414475), (5, 1448685), (7, 1034775), (9, 804825), (15, 482895), (21, 344925), (25, 289737), (27, 268275), (35, 206955), (45, 160965), (49, 147825), (63, 114975), (73, 99225), (75, 96579), (81, 89425), (105, 68985), (135, 53655), (147, 49275), (175, 41391), (189, 38325), (219, 33075), (225, 32193), (245, 29565), (315, 22995), (365, 19845), (405, 17885), (441, 16425), (511, 14175), (525, 13797), (567, 12775), (657, 11025), (675, 10731), (735, 9855), (945, 7665), (1095, 6615), (1225, 5913), (1323, 5475), (1533, 4725), (1575, 4599), (1825, 3969), (1971, 3675), (2025, 3577), (2205, 3285), (2555, 2835)]