1688166645

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{144103}}^1$

素因数の和:144193

約数の個数: 32

約数和(自身を含む): 2988140544

約数和(自身を除く): 1299973899

約数列:

[1, 3, 5, 11, 15, 33, 55, 71, 165, 213, 355, 781, 1065, 2343, 3905, 11715, 144103, 432309, 720515, 1585133, 2161545, 4755399, 7925665, 10231313, 23776995, 30693939, 51156565, 112544443, 153469695, 337633329, 562722215, 1688166645]

約数ペア:

[(1, 1688166645), (3, 562722215), (5, 337633329), (11, 153469695), (15, 112544443), (33, 51156565), (55, 30693939), (71, 23776995), (165, 10231313), (213, 7925665), (355, 4755399), (781, 2161545), (1065, 1585133), (2343, 720515), (3905, 432309), (11715, 144103)]