71987805

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12401}}^1$

素因数の和:12458

約数の個数: 32

約数和(自身を含む): 130965120

約数和(自身を除く): 58977315

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 5805, 12401, 37203, 62005, 111609, 186015, 334827, 533243, 558045, 1599729, 1674135, 2666215, 4799187, 7998645, 14397561, 23995935, 71987805]

約数ペア:

[(1, 71987805), (3, 23995935), (5, 14397561), (9, 7998645), (15, 4799187), (27, 2666215), (43, 1674135), (45, 1599729), (129, 558045), (135, 533243), (215, 334827), (387, 186015), (645, 111609), (1161, 62005), (1935, 37203), (5805, 12401)]