211237065

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:840

約数の個数: 80

約数和(自身を含む): 416032848

約数和(自身を除く): 204795783

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 53, 65, 81, 117, 135, 159, 195, 265, 351, 405, 477, 585, 689, 757, 795, 1053, 1431, 1755, 2067, 2271, 2385, 3445, 3785, 4293, 5265, 6201, 6813, 7155, 9841, 10335, 11355, 18603, 20439, 21465, 29523, 31005, 34065, 40121, 49205, 55809, 61317, 88569, 93015, 102195, 120363, 147615, 200605, 265707, 279045, 306585, 361089, 442845, 521573, 601815, 797121, 1083267, 1328535, 1564719, 1805445, 2607865, 3249801, 3985605, 4694157, 5416335, 7823595, 14082471, 16249005, 23470785, 42247413, 70412355, 211237065]

約数ペア:

[(1, 211237065), (3, 70412355), (5, 42247413), (9, 23470785), (13, 16249005), (15, 14082471), (27, 7823595), (39, 5416335), (45, 4694157), (53, 3985605), (65, 3249801), (81, 2607865), (117, 1805445), (135, 1564719), (159, 1328535), (195, 1083267), (265, 797121), (351, 601815), (405, 521573), (477, 442845), (585, 361089), (689, 306585), (757, 279045), (795, 265707), (1053, 200605), (1431, 147615), (1755, 120363), (2067, 102195), (2271, 93015), (2385, 88569), (3445, 61317), (3785, 55809), (4293, 49205), (5265, 40121), (6201, 34065), (6813, 31005), (7155, 29523), (9841, 21465), (10335, 20439), (11355, 18603)]