69990885

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4019}}^1$

素因数の和:4079

約数の個数: 40

約数和(自身を含む): 128414880

約数和(自身を除く): 58423995

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1161, 1935, 3483, 4019, 5805, 12057, 17415, 20095, 36171, 60285, 108513, 172817, 180855, 325539, 518451, 542565, 864085, 1555353, 1627695, 2592255, 4666059, 7776765, 13998177, 23330295, 69990885]

約数ペア:

[(1, 69990885), (3, 23330295), (5, 13998177), (9, 7776765), (15, 4666059), (27, 2592255), (43, 1627695), (45, 1555353), (81, 864085), (129, 542565), (135, 518451), (215, 325539), (387, 180855), (405, 172817), (645, 108513), (1161, 60285), (1935, 36171), (3483, 20095), (4019, 17415), (5805, 12057)]