25470315

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 50964480

約数和(自身を除く): 25494165

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 65, 69, 115, 117, 135, 195, 207, 299, 345, 351, 585, 621, 631, 897, 1035, 1495, 1755, 1893, 2691, 3105, 3155, 4485, 5679, 8073, 8203, 9465, 13455, 14513, 17037, 24609, 28395, 40365, 41015, 43539, 72565, 73827, 85185, 123045, 130617, 188669, 217695, 221481, 369135, 391851, 566007, 653085, 943345, 1107405, 1698021, 1959255, 2830035, 5094063, 8490105, 25470315]

約数ペア:

[(1, 25470315), (3, 8490105), (5, 5094063), (9, 2830035), (13, 1959255), (15, 1698021), (23, 1107405), (27, 943345), (39, 653085), (45, 566007), (65, 391851), (69, 369135), (115, 221481), (117, 217695), (135, 188669), (195, 130617), (207, 123045), (299, 85185), (345, 73827), (351, 72565), (585, 43539), (621, 41015), (631, 40365), (897, 28395), (1035, 24609), (1495, 17037), (1755, 14513), (1893, 13455), (2691, 9465), (3105, 8203), (3155, 8073), (4485, 5679)]