16281975

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 28569600

約数和(自身を除く): 12287625

約数列:

[1, 3, 5, 15, 25, 31, 47, 75, 93, 141, 149, 155, 235, 447, 465, 705, 745, 775, 1175, 1457, 2235, 2325, 3525, 3725, 4371, 4619, 7003, 7285, 11175, 13857, 21009, 21855, 23095, 35015, 36425, 69285, 105045, 109275, 115475, 175075, 217093, 346425, 525225, 651279, 1085465, 3256395, 5427325, 16281975]

約数ペア:

[(1, 16281975), (3, 5427325), (5, 3256395), (15, 1085465), (25, 651279), (31, 525225), (47, 346425), (75, 217093), (93, 175075), (141, 115475), (149, 109275), (155, 105045), (235, 69285), (447, 36425), (465, 35015), (705, 23095), (745, 21855), (775, 21009), (1175, 13857), (1457, 11175), (2235, 7285), (2325, 7003), (3525, 4619), (3725, 4371)]