28975359

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{947}}^1$

素因数の和:1035

約数の個数: 32

約数和(自身を含む): 46596096

約数和(自身を除く): 17620737

約数列:

[1, 3, 7, 21, 31, 47, 93, 141, 217, 329, 651, 947, 987, 1457, 2841, 4371, 6629, 10199, 19887, 29357, 30597, 44509, 88071, 133527, 205499, 311563, 616497, 934689, 1379779, 4139337, 9658453, 28975359]

約数ペア:

[(1, 28975359), (3, 9658453), (7, 4139337), (21, 1379779), (31, 934689), (47, 616497), (93, 311563), (141, 205499), (217, 133527), (329, 88071), (651, 44509), (947, 30597), (987, 29357), (1457, 19887), (2841, 10199), (4371, 6629)]