15719517

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 26694720

約数和(自身を除く): 10975203

約数列:

[1, 3, 9, 11, 19, 33, 57, 61, 99, 137, 171, 183, 209, 411, 549, 627, 671, 1159, 1233, 1507, 1881, 2013, 2603, 3477, 4521, 6039, 7809, 8357, 10431, 12749, 13563, 23427, 25071, 28633, 38247, 75213, 85899, 91927, 114741, 158783, 257697, 275781, 476349, 827343, 1429047, 1746613, 5239839, 15719517]

約数ペア:

[(1, 15719517), (3, 5239839), (9, 1746613), (11, 1429047), (19, 827343), (33, 476349), (57, 275781), (61, 257697), (99, 158783), (137, 114741), (171, 91927), (183, 85899), (209, 75213), (411, 38247), (549, 28633), (627, 25071), (671, 23427), (1159, 13563), (1233, 12749), (1507, 10431), (1881, 8357), (2013, 7809), (2603, 6039), (3477, 4521)]