28873923

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 43122240

約数和(自身を除く): 14248317

約数列:

[1, 3, 13, 39, 53, 61, 159, 183, 229, 687, 689, 793, 2067, 2379, 2977, 3233, 8931, 9699, 12137, 13969, 36411, 41907, 42029, 126087, 157781, 181597, 473343, 544791, 740357, 2221071, 9624641, 28873923]

約数ペア:

[(1, 28873923), (3, 9624641), (13, 2221071), (39, 740357), (53, 544791), (61, 473343), (159, 181597), (183, 157781), (229, 126087), (687, 42029), (689, 41907), (793, 36411), (2067, 13969), (2379, 12137), (2977, 9699), (3233, 8931)]