18278325

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2083}}^1$

素因数の和:2115

約数の個数: 48

約数和(自身を含む): 36178240

約数和(自身を除く): 17899915

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1755, 2083, 2925, 6249, 8775, 10415, 18747, 27079, 31245, 52075, 56241, 81237, 93735, 135395, 156225, 243711, 281205, 406185, 468675, 676975, 731133, 1218555, 1406025, 2030925, 3655665, 6092775, 18278325]

約数ペア:

[(1, 18278325), (3, 6092775), (5, 3655665), (9, 2030925), (13, 1406025), (15, 1218555), (25, 731133), (27, 676975), (39, 468675), (45, 406185), (65, 281205), (75, 243711), (117, 156225), (135, 135395), (195, 93735), (225, 81237), (325, 56241), (351, 52075), (585, 31245), (675, 27079), (975, 18747), (1755, 10415), (2083, 8775), (2925, 6249)]