18621525

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 33747840

約数和(自身を除く): 15126315

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 71, 75, 195, 213, 269, 325, 355, 807, 923, 975, 1065, 1345, 1775, 2769, 3497, 4035, 4615, 5325, 6725, 10491, 13845, 17485, 19099, 20175, 23075, 52455, 57297, 69225, 87425, 95495, 248287, 262275, 286485, 477475, 744861, 1241435, 1432425, 3724305, 6207175, 18621525]

約数ペア:

[(1, 18621525), (3, 6207175), (5, 3724305), (13, 1432425), (15, 1241435), (25, 744861), (39, 477475), (65, 286485), (71, 262275), (75, 248287), (195, 95495), (213, 87425), (269, 69225), (325, 57297), (355, 52455), (807, 23075), (923, 20175), (975, 19099), (1065, 17485), (1345, 13845), (1775, 10491), (2769, 6725), (3497, 5325), (4035, 4615)]