221680845

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1\times {\mathrm{433}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 398641152

約数和(自身を除く): 176960307

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 367, 433, 465, 1101, 1299, 1395, 1835, 2165, 3303, 3897, 5505, 6495, 11377, 13423, 16515, 19485, 34131, 40269, 56885, 67115, 102393, 120807, 158911, 170655, 201345, 476733, 511965, 604035, 794555, 1430199, 2383665, 4926241, 7150995, 14778723, 24631205, 44336169, 73893615, 221680845]

約数ペア:

[(1, 221680845), (3, 73893615), (5, 44336169), (9, 24631205), (15, 14778723), (31, 7150995), (45, 4926241), (93, 2383665), (155, 1430199), (279, 794555), (367, 604035), (433, 511965), (465, 476733), (1101, 201345), (1299, 170655), (1395, 158911), (1835, 120807), (2165, 102393), (3303, 67115), (3897, 56885), (5505, 40269), (6495, 34131), (11377, 19485), (13423, 16515)]