155220303

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 240768000

約数和(自身を除く): 85547697

約数列:

[1, 3, 7, 21, 113, 149, 339, 439, 447, 791, 1043, 1317, 2373, 3073, 3129, 9219, 16837, 49607, 50511, 65411, 117859, 148821, 196233, 347249, 353577, 457877, 1041747, 1373631, 7391443, 22174329, 51740101, 155220303]

約数ペア:

[(1, 155220303), (3, 51740101), (7, 22174329), (21, 7391443), (113, 1373631), (149, 1041747), (339, 457877), (439, 353577), (447, 347249), (791, 196233), (1043, 148821), (1317, 117859), (2373, 65411), (3073, 50511), (3129, 49607), (9219, 16837)]