64919925

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{877}}^1$

素因数の和:947

約数の個数: 72

約数和(自身を含む): 135872256

約数和(自身を除く): 70952331

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 47, 63, 75, 105, 141, 175, 225, 235, 315, 329, 423, 525, 705, 877, 987, 1175, 1575, 1645, 2115, 2631, 2961, 3525, 4385, 4935, 6139, 7893, 8225, 10575, 13155, 14805, 18417, 21925, 24675, 30695, 39465, 41219, 55251, 65775, 74025, 92085, 123657, 153475, 197325, 206095, 276255, 288533, 370971, 460425, 618285, 865599, 1030475, 1381275, 1442665, 1854855, 2596797, 3091425, 4327995, 7213325, 9274275, 12983985, 21639975, 64919925]

約数ペア:

[(1, 64919925), (3, 21639975), (5, 12983985), (7, 9274275), (9, 7213325), (15, 4327995), (21, 3091425), (25, 2596797), (35, 1854855), (45, 1442665), (47, 1381275), (63, 1030475), (75, 865599), (105, 618285), (141, 460425), (175, 370971), (225, 288533), (235, 276255), (315, 206095), (329, 197325), (423, 153475), (525, 123657), (705, 92085), (877, 74025), (987, 65775), (1175, 55251), (1575, 41219), (1645, 39465), (2115, 30695), (2631, 24675), (2961, 21925), (3525, 18417), (4385, 14805), (4935, 13155), (6139, 10575), (7893, 8225)]