71307495

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 146077776

約数和(自身を除く): 74770281

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 73, 105, 147, 219, 245, 315, 365, 441, 443, 511, 657, 735, 1095, 1329, 1533, 2205, 2215, 2555, 3101, 3285, 3577, 3987, 4599, 6645, 7665, 9303, 10731, 15505, 17885, 19935, 21707, 22995, 27909, 32193, 32339, 46515, 53655, 65121, 97017, 108535, 139545, 160965, 161695, 195363, 226373, 291051, 325605, 485085, 679119, 976815, 1131865, 1455255, 1584611, 2037357, 3395595, 4753833, 7923055, 10186785, 14261499, 23769165, 71307495]

約数ペア:

[(1, 71307495), (3, 23769165), (5, 14261499), (7, 10186785), (9, 7923055), (15, 4753833), (21, 3395595), (35, 2037357), (45, 1584611), (49, 1455255), (63, 1131865), (73, 976815), (105, 679119), (147, 485085), (219, 325605), (245, 291051), (315, 226373), (365, 195363), (441, 161695), (443, 160965), (511, 139545), (657, 108535), (735, 97017), (1095, 65121), (1329, 53655), (1533, 46515), (2205, 32339), (2215, 32193), (2555, 27909), (3101, 22995), (3285, 21707), (3577, 19935), (3987, 17885), (4599, 15505), (6645, 10731), (7665, 9303)]