13207215

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 26265600

約数和(自身を除く): 13058385

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 151, 245, 255, 343, 357, 453, 595, 735, 755, 833, 1029, 1057, 1715, 1785, 2265, 2499, 2567, 3171, 4165, 5145, 5285, 5831, 7399, 7701, 12495, 12835, 15855, 17493, 17969, 22197, 29155, 36995, 38505, 51793, 53907, 87465, 89845, 110985, 125783, 155379, 258965, 269535, 377349, 628915, 776895, 880481, 1886745, 2641443, 4402405, 13207215]

約数ペア:

[(1, 13207215), (3, 4402405), (5, 2641443), (7, 1886745), (15, 880481), (17, 776895), (21, 628915), (35, 377349), (49, 269535), (51, 258965), (85, 155379), (105, 125783), (119, 110985), (147, 89845), (151, 87465), (245, 53907), (255, 51793), (343, 38505), (357, 36995), (453, 29155), (595, 22197), (735, 17969), (755, 17493), (833, 15855), (1029, 12835), (1057, 12495), (1715, 7701), (1785, 7399), (2265, 5831), (2499, 5285), (2567, 5145), (3171, 4165)]