31395345

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 57106944

約数和(自身を除く): 25711599

約数列:

[1, 3, 5, 15, 17, 23, 51, 53, 69, 85, 101, 115, 159, 255, 265, 303, 345, 391, 505, 795, 901, 1173, 1219, 1515, 1717, 1955, 2323, 2703, 3657, 4505, 5151, 5353, 5865, 6095, 6969, 8585, 11615, 13515, 16059, 18285, 20723, 25755, 26765, 34845, 39491, 62169, 80295, 91001, 103615, 118473, 123119, 197455, 273003, 310845, 369357, 455005, 592365, 615595, 1365015, 1846785, 2093023, 6279069, 10465115, 31395345]

約数ペア:

[(1, 31395345), (3, 10465115), (5, 6279069), (15, 2093023), (17, 1846785), (23, 1365015), (51, 615595), (53, 592365), (69, 455005), (85, 369357), (101, 310845), (115, 273003), (159, 197455), (255, 123119), (265, 118473), (303, 103615), (345, 91001), (391, 80295), (505, 62169), (795, 39491), (901, 34845), (1173, 26765), (1219, 25755), (1515, 20723), (1717, 18285), (1955, 16059), (2323, 13515), (2703, 11615), (3657, 8585), (4505, 6969), (5151, 6095), (5353, 5865)]