18207075

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 31997952

約数和(自身を除く): 13790877

約数列:

[1, 3, 5, 15, 25, 31, 41, 75, 93, 123, 155, 191, 205, 465, 573, 615, 775, 955, 1025, 1271, 2325, 2865, 3075, 3813, 4775, 5921, 6355, 7831, 14325, 17763, 19065, 23493, 29605, 31775, 39155, 88815, 95325, 117465, 148025, 195775, 242761, 444075, 587325, 728283, 1213805, 3641415, 6069025, 18207075]

約数ペア:

[(1, 18207075), (3, 6069025), (5, 3641415), (15, 1213805), (25, 728283), (31, 587325), (41, 444075), (75, 242761), (93, 195775), (123, 148025), (155, 117465), (191, 95325), (205, 88815), (465, 39155), (573, 31775), (615, 29605), (775, 23493), (955, 19065), (1025, 17763), (1271, 14325), (2325, 7831), (2865, 6355), (3075, 5921), (3813, 4775)]