17997435

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 32617728

約数和(自身を除く): 14620293

約数列:

[1, 3, 5, 9, 15, 43, 45, 71, 129, 131, 213, 215, 355, 387, 393, 639, 645, 655, 1065, 1179, 1935, 1965, 3053, 3195, 5633, 5895, 9159, 9301, 15265, 16899, 27477, 27903, 28165, 45795, 46505, 50697, 83709, 84495, 137385, 139515, 253485, 399943, 418545, 1199829, 1999715, 3599487, 5999145, 17997435]

約数ペア:

[(1, 17997435), (3, 5999145), (5, 3599487), (9, 1999715), (15, 1199829), (43, 418545), (45, 399943), (71, 253485), (129, 139515), (131, 137385), (213, 84495), (215, 83709), (355, 50697), (387, 46505), (393, 45795), (639, 28165), (645, 27903), (655, 27477), (1065, 16899), (1179, 15265), (1935, 9301), (1965, 9159), (3053, 5895), (3195, 5633)]