12135675

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 21212928

約数和(自身を除く): 9077253

約数列:

[1, 3, 5, 15, 25, 43, 53, 71, 75, 129, 159, 213, 215, 265, 355, 645, 795, 1065, 1075, 1325, 1775, 2279, 3053, 3225, 3763, 3975, 5325, 6837, 9159, 11289, 11395, 15265, 18815, 34185, 45795, 56445, 56975, 76325, 94075, 161809, 170925, 228975, 282225, 485427, 809045, 2427135, 4045225, 12135675]

約数ペア:

[(1, 12135675), (3, 4045225), (5, 2427135), (15, 809045), (25, 485427), (43, 282225), (53, 228975), (71, 170925), (75, 161809), (129, 94075), (159, 76325), (213, 56975), (215, 56445), (265, 45795), (355, 34185), (645, 18815), (795, 15265), (1065, 11395), (1075, 11289), (1325, 9159), (1775, 6837), (2279, 5325), (3053, 3975), (3225, 3763)]