15856035

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 29331456

約数和(自身を除く): 13475421

約数列:

[1, 3, 5, 13, 15, 31, 39, 43, 61, 65, 93, 129, 155, 183, 195, 215, 305, 403, 465, 559, 645, 793, 915, 1209, 1333, 1677, 1891, 2015, 2379, 2623, 2795, 3965, 3999, 5673, 6045, 6665, 7869, 8385, 9455, 11895, 13115, 17329, 19995, 24583, 28365, 34099, 39345, 51987, 73749, 81313, 86645, 102297, 122915, 170495, 243939, 259935, 368745, 406565, 511485, 1057069, 1219695, 3171207, 5285345, 15856035]

約数ペア:

[(1, 15856035), (3, 5285345), (5, 3171207), (13, 1219695), (15, 1057069), (31, 511485), (39, 406565), (43, 368745), (61, 259935), (65, 243939), (93, 170495), (129, 122915), (155, 102297), (183, 86645), (195, 81313), (215, 73749), (305, 51987), (403, 39345), (465, 34099), (559, 28365), (645, 24583), (793, 19995), (915, 17329), (1209, 13115), (1333, 11895), (1677, 9455), (1891, 8385), (2015, 7869), (2379, 6665), (2623, 6045), (2795, 5673), (3965, 3999)]