220330485

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2677}}^1$

素因数の和:2778

約数の個数: 48

約数和(自身を含む): 401057280

約数和(自身を除く): 180726795

約数列:

[1, 3, 5, 9, 15, 31, 45, 59, 93, 155, 177, 279, 295, 465, 531, 885, 1395, 1829, 2655, 2677, 5487, 8031, 9145, 13385, 16461, 24093, 27435, 40155, 82305, 82987, 120465, 157943, 248961, 414935, 473829, 746883, 789715, 1244805, 1421487, 2369145, 3734415, 4896233, 7107435, 14688699, 24481165, 44066097, 73443495, 220330485]

約数ペア:

[(1, 220330485), (3, 73443495), (5, 44066097), (9, 24481165), (15, 14688699), (31, 7107435), (45, 4896233), (59, 3734415), (93, 2369145), (155, 1421487), (177, 1244805), (279, 789715), (295, 746883), (465, 473829), (531, 414935), (885, 248961), (1395, 157943), (1829, 120465), (2655, 82987), (2677, 82305), (5487, 40155), (8031, 27435), (9145, 24093), (13385, 16461)]