55261425

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 95208192

約数和(自身を除く): 39946767

約数列:

[1, 3, 5, 15, 25, 47, 61, 75, 141, 183, 235, 257, 305, 705, 771, 915, 1175, 1285, 1525, 2867, 3525, 3855, 4575, 6425, 8601, 12079, 14335, 15677, 19275, 36237, 43005, 47031, 60395, 71675, 78385, 181185, 215025, 235155, 301975, 391925, 736819, 905925, 1175775, 2210457, 3684095, 11052285, 18420475, 55261425]

約数ペア:

[(1, 55261425), (3, 18420475), (5, 11052285), (15, 3684095), (25, 2210457), (47, 1175775), (61, 905925), (75, 736819), (141, 391925), (183, 301975), (235, 235155), (257, 215025), (305, 181185), (705, 78385), (771, 71675), (915, 60395), (1175, 47031), (1285, 43005), (1525, 36237), (2867, 19275), (3525, 15677), (3855, 14335), (4575, 12079), (6425, 8601)]