16427985

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:163

約数の個数: 64

約数和(自身を含む): 31948800

約数和(自身を除く): 15520815

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 49, 93, 103, 105, 147, 155, 217, 245, 309, 343, 465, 515, 651, 721, 735, 1029, 1085, 1519, 1545, 1715, 2163, 3193, 3255, 3605, 4557, 5047, 5145, 7595, 9579, 10633, 10815, 15141, 15965, 22351, 22785, 25235, 31899, 35329, 47895, 53165, 67053, 75705, 105987, 111755, 156457, 159495, 176645, 335265, 469371, 529935, 782285, 1095199, 2346855, 3285597, 5475995, 16427985]

約数ペア:

[(1, 16427985), (3, 5475995), (5, 3285597), (7, 2346855), (15, 1095199), (21, 782285), (31, 529935), (35, 469371), (49, 335265), (93, 176645), (103, 159495), (105, 156457), (147, 111755), (155, 105987), (217, 75705), (245, 67053), (309, 53165), (343, 47895), (465, 35329), (515, 31899), (651, 25235), (721, 22785), (735, 22351), (1029, 15965), (1085, 15141), (1519, 10815), (1545, 10633), (1715, 9579), (2163, 7595), (3193, 5145), (3255, 5047), (3605, 4557)]