15972019917

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{2017}}^1$

素因数の和:2258

約数の個数: 64

約数和(自身を含む): 25441910784

約数和(自身を除く): 9469890867

約数列:

[1, 3, 7, 21, 47, 71, 113, 141, 213, 329, 339, 497, 791, 987, 1491, 2017, 2373, 3337, 5311, 6051, 8023, 10011, 14119, 15933, 23359, 24069, 37177, 42357, 56161, 70077, 94799, 111531, 143207, 168483, 227921, 284397, 377081, 429621, 663593, 683763, 1002449, 1131243, 1595447, 1990779, 2639567, 3007347, 4786341, 6730729, 7918701, 10712287, 16182391, 20192187, 32136861, 47115103, 48547173, 74986009, 113276737, 141345309, 224958027, 339830211, 760572377, 2281717131, 5324006639, 15972019917]

約数ペア:

[(1, 15972019917), (3, 5324006639), (7, 2281717131), (21, 760572377), (47, 339830211), (71, 224958027), (113, 141345309), (141, 113276737), (213, 74986009), (329, 48547173), (339, 47115103), (497, 32136861), (791, 20192187), (987, 16182391), (1491, 10712287), (2017, 7918701), (2373, 6730729), (3337, 4786341), (5311, 3007347), (6051, 2639567), (8023, 1990779), (10011, 1595447), (14119, 1131243), (15933, 1002449), (23359, 683763), (24069, 663593), (37177, 429621), (42357, 377081), (56161, 284397), (70077, 227921), (94799, 168483), (111531, 143207)]