64661715

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{347}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 116284896

約数和(自身を除く): 51623181

約数列:

[1, 3, 5, 9, 15, 41, 45, 101, 123, 205, 303, 347, 369, 505, 615, 909, 1041, 1515, 1735, 1845, 3123, 4141, 4545, 5205, 12423, 14227, 15615, 20705, 35047, 37269, 42681, 62115, 71135, 105141, 128043, 175235, 186345, 213405, 315423, 525705, 640215, 1436927, 1577115, 4310781, 7184635, 12932343, 21553905, 64661715]

約数ペア:

[(1, 64661715), (3, 21553905), (5, 12932343), (9, 7184635), (15, 4310781), (41, 1577115), (45, 1436927), (101, 640215), (123, 525705), (205, 315423), (303, 213405), (347, 186345), (369, 175235), (505, 128043), (615, 105141), (909, 71135), (1041, 62115), (1515, 42681), (1735, 37269), (1845, 35047), (3123, 20705), (4141, 15615), (4545, 14227), (5205, 12423)]