15315993

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 29030400

約数和(自身を除く): 13714407

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 53, 63, 77, 99, 139, 159, 189, 231, 297, 371, 417, 477, 583, 693, 973, 1113, 1251, 1431, 1529, 1749, 2079, 2919, 3339, 3753, 4081, 4587, 5247, 7367, 8757, 10017, 10703, 12243, 13761, 15741, 22101, 26271, 32109, 36729, 41283, 51569, 66303, 81037, 96327, 110187, 154707, 198909, 243111, 288981, 464121, 567259, 729333, 1392363, 1701777, 2187999, 5105331, 15315993]

約数ペア:

[(1, 15315993), (3, 5105331), (7, 2187999), (9, 1701777), (11, 1392363), (21, 729333), (27, 567259), (33, 464121), (53, 288981), (63, 243111), (77, 198909), (99, 154707), (139, 110187), (159, 96327), (189, 81037), (231, 66303), (297, 51569), (371, 41283), (417, 36729), (477, 32109), (583, 26271), (693, 22101), (973, 15741), (1113, 13761), (1251, 12243), (1431, 10703), (1529, 10017), (1749, 8757), (2079, 7367), (2919, 5247), (3339, 4587), (3753, 4081)]