261057225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 514217088

約数和(自身を除く): 253159863

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 101, 143, 165, 195, 241, 275, 303, 325, 429, 505, 715, 723, 825, 975, 1111, 1205, 1313, 1515, 2145, 2525, 2651, 3133, 3333, 3575, 3615, 3939, 5555, 6025, 6565, 7575, 7953, 9399, 10725, 13255, 14443, 15665, 16665, 18075, 19695, 24341, 27775, 32825, 34463, 39765, 43329, 46995, 66275, 72215, 73023, 78325, 83325, 98475, 103389, 121705, 172315, 198825, 216645, 234975, 267751, 316433, 361075, 365115, 516945, 608525, 803253, 861575, 949299, 1083225, 1338755, 1582165, 1825575, 2584725, 3480763, 4016265, 4746495, 6693775, 7910825, 10442289, 17403815, 20081325, 23732475, 52211445, 87019075, 261057225]

約数ペア:

[(1, 261057225), (3, 87019075), (5, 52211445), (11, 23732475), (13, 20081325), (15, 17403815), (25, 10442289), (33, 7910825), (39, 6693775), (55, 4746495), (65, 4016265), (75, 3480763), (101, 2584725), (143, 1825575), (165, 1582165), (195, 1338755), (241, 1083225), (275, 949299), (303, 861575), (325, 803253), (429, 608525), (505, 516945), (715, 365115), (723, 361075), (825, 316433), (975, 267751), (1111, 234975), (1205, 216645), (1313, 198825), (1515, 172315), (2145, 121705), (2525, 103389), (2651, 98475), (3133, 83325), (3333, 78325), (3575, 73023), (3615, 72215), (3939, 66275), (5555, 46995), (6025, 43329), (6565, 39765), (7575, 34463), (7953, 32825), (9399, 27775), (10725, 24341), (13255, 19695), (14443, 18075), (15665, 16665)]