78455925

素因数分解:

$3^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2473}}^1$

素因数の和:2539

約数の個数: 48

約数和(自身を含む): 147252480

約数和(自身を除く): 68796555

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 135, 141, 225, 235, 423, 675, 705, 1175, 1269, 2115, 2473, 3525, 6345, 7419, 10575, 12365, 22257, 31725, 37095, 61825, 66771, 111285, 116231, 185475, 333855, 348693, 556425, 581155, 1046079, 1669275, 1743465, 2905775, 3138237, 5230395, 8717325, 15691185, 26151975, 78455925]

約数ペア:

[(1, 78455925), (3, 26151975), (5, 15691185), (9, 8717325), (15, 5230395), (25, 3138237), (27, 2905775), (45, 1743465), (47, 1669275), (75, 1046079), (135, 581155), (141, 556425), (225, 348693), (235, 333855), (423, 185475), (675, 116231), (705, 111285), (1175, 66771), (1269, 61825), (2115, 37095), (2473, 31725), (3525, 22257), (6345, 12365), (7419, 10575)]