15662561871

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{541}}^1$

素因数の和:904

約数の個数: 64

約数和(自身を含む): 23750318592

約数和(自身を除く): 8087756721

約数列:

[1, 3, 11, 33, 37, 111, 131, 181, 393, 407, 541, 543, 1221, 1441, 1623, 1991, 4323, 4847, 5951, 5973, 6697, 14541, 17853, 20017, 20091, 23711, 53317, 60051, 70871, 71133, 73667, 97921, 159951, 212613, 220187, 221001, 260821, 293763, 660561, 779581, 782463, 877307, 1077131, 2338743, 2622227, 2631921, 3231393, 3623077, 7866681, 9650377, 10869231, 12827651, 28844497, 28951131, 38482953, 39853847, 86533491, 119561541, 141104161, 423312483, 474623087, 1423869261, 5220853957, 15662561871]

約数ペア:

[(1, 15662561871), (3, 5220853957), (11, 1423869261), (33, 474623087), (37, 423312483), (111, 141104161), (131, 119561541), (181, 86533491), (393, 39853847), (407, 38482953), (541, 28951131), (543, 28844497), (1221, 12827651), (1441, 10869231), (1623, 9650377), (1991, 7866681), (4323, 3623077), (4847, 3231393), (5951, 2631921), (5973, 2622227), (6697, 2338743), (14541, 1077131), (17853, 877307), (20017, 782463), (20091, 779581), (23711, 660561), (53317, 293763), (60051, 260821), (70871, 221001), (71133, 220187), (73667, 212613), (97921, 159951)]