280211325

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{631}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 481492992

約数和(自身を除く): 201281667

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 191, 465, 573, 631, 775, 955, 1893, 2325, 2865, 3155, 4775, 5921, 9465, 14325, 15775, 17763, 19561, 29605, 47325, 58683, 88815, 97805, 120521, 148025, 293415, 361563, 444075, 489025, 602605, 1467075, 1807815, 3013025, 3736151, 9039075, 11208453, 18680755, 56042265, 93403775, 280211325]

約数ペア:

[(1, 280211325), (3, 93403775), (5, 56042265), (15, 18680755), (25, 11208453), (31, 9039075), (75, 3736151), (93, 3013025), (155, 1807815), (191, 1467075), (465, 602605), (573, 489025), (631, 444075), (775, 361563), (955, 293415), (1893, 148025), (2325, 120521), (2865, 97805), (3155, 88815), (4775, 58683), (5921, 47325), (9465, 29605), (14325, 19561), (15775, 17763)]