15913863

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 27623232

約数和(自身を除く): 11709369

約数列:

[1, 3, 7, 9, 21, 41, 61, 63, 101, 123, 183, 287, 303, 369, 427, 549, 707, 861, 909, 1281, 2121, 2501, 2583, 3843, 4141, 6161, 6363, 7503, 12423, 17507, 18483, 22509, 28987, 37269, 43127, 52521, 55449, 86961, 129381, 157563, 252601, 260883, 388143, 757803, 1768207, 2273409, 5304621, 15913863]

約数ペア:

[(1, 15913863), (3, 5304621), (7, 2273409), (9, 1768207), (21, 757803), (41, 388143), (61, 260883), (63, 252601), (101, 157563), (123, 129381), (183, 86961), (287, 55449), (303, 52521), (369, 43127), (427, 37269), (549, 28987), (707, 22509), (861, 18483), (909, 17507), (1281, 12423), (2121, 7503), (2501, 6363), (2583, 6161), (3843, 4141)]