51631545

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 96854400

約数和(自身を除く): 45222855

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 199, 245, 353, 597, 735, 995, 1059, 1393, 1765, 2471, 2985, 4179, 5295, 6965, 7413, 9751, 12355, 17297, 20895, 29253, 37065, 48755, 51891, 70247, 86485, 146265, 210741, 259455, 351235, 491729, 1053705, 1475187, 2458645, 3442103, 7375935, 10326309, 17210515, 51631545]

約数ペア:

[(1, 51631545), (3, 17210515), (5, 10326309), (7, 7375935), (15, 3442103), (21, 2458645), (35, 1475187), (49, 1053705), (105, 491729), (147, 351235), (199, 259455), (245, 210741), (353, 146265), (597, 86485), (735, 70247), (995, 51891), (1059, 48755), (1393, 37065), (1765, 29253), (2471, 20895), (2985, 17297), (4179, 12355), (5295, 9751), (6965, 7413)]