221058675

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{773}}^1$

素因数の和:861

約数の個数: 72

約数和(自身を含む): 419223168

約数和(自身を除く): 198164493

約数列:

[1, 3, 5, 9, 15, 25, 31, 41, 45, 75, 93, 123, 155, 205, 225, 279, 369, 465, 615, 773, 775, 1025, 1271, 1395, 1845, 2319, 2325, 3075, 3813, 3865, 6355, 6957, 6975, 9225, 11439, 11595, 19065, 19325, 23963, 31693, 31775, 34785, 57195, 57975, 71889, 95079, 95325, 119815, 158465, 173925, 215667, 285237, 285975, 359445, 475395, 599075, 792325, 982483, 1078335, 1426185, 1797225, 2376975, 2947449, 4912415, 5391675, 7130925, 8842347, 14737245, 24562075, 44211735, 73686225, 221058675]

約数ペア:

[(1, 221058675), (3, 73686225), (5, 44211735), (9, 24562075), (15, 14737245), (25, 8842347), (31, 7130925), (41, 5391675), (45, 4912415), (75, 2947449), (93, 2376975), (123, 1797225), (155, 1426185), (205, 1078335), (225, 982483), (279, 792325), (369, 599075), (465, 475395), (615, 359445), (773, 285975), (775, 285237), (1025, 215667), (1271, 173925), (1395, 158465), (1845, 119815), (2319, 95325), (2325, 95079), (3075, 71889), (3813, 57975), (3865, 57195), (6355, 34785), (6957, 31775), (6975, 31693), (9225, 23963), (11439, 19325), (11595, 19065)]