15203811

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 24076800

約数和(自身を除く): 8872989

約数列:

[1, 3, 7, 21, 43, 113, 129, 149, 301, 339, 447, 791, 903, 1043, 2373, 3129, 4859, 6407, 14577, 16837, 19221, 34013, 44849, 50511, 102039, 117859, 134547, 353577, 723991, 2171973, 5067937, 15203811]

約数ペア:

[(1, 15203811), (3, 5067937), (7, 2171973), (21, 723991), (43, 353577), (113, 134547), (129, 117859), (149, 102039), (301, 50511), (339, 44849), (447, 34013), (791, 19221), (903, 16837), (1043, 14577), (2373, 6407), (3129, 4859)]