221781183

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1249}}^1$

素因数の和:1451

約数の個数: 32

約数和(自身を含む): 331800000

約数和(自身を除く): 110018817

約数列:

[1, 3, 13, 29, 39, 87, 157, 377, 471, 1131, 1249, 2041, 3747, 4553, 6123, 13659, 16237, 36221, 48711, 59189, 108663, 177567, 196093, 470873, 588279, 1412619, 2549209, 5686697, 7647627, 17060091, 73927061, 221781183]

約数ペア:

[(1, 221781183), (3, 73927061), (13, 17060091), (29, 7647627), (39, 5686697), (87, 2549209), (157, 1412619), (377, 588279), (471, 470873), (1131, 196093), (1249, 177567), (2041, 108663), (3747, 59189), (4553, 48711), (6123, 36221), (13659, 16237)]