16805859

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 9805341

約数列:

[1, 3, 7, 21, 41, 123, 131, 149, 287, 393, 447, 861, 917, 1043, 2751, 3129, 5371, 6109, 16113, 18327, 19519, 37597, 42763, 58557, 112791, 128289, 136633, 409899, 800279, 2400837, 5601953, 16805859]

約数ペア:

[(1, 16805859), (3, 5601953), (7, 2400837), (21, 800279), (41, 409899), (123, 136633), (131, 128289), (149, 112791), (287, 58557), (393, 42763), (447, 37597), (861, 19519), (917, 18327), (1043, 16113), (2751, 6109), (3129, 5371)]