219745281

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{15013}}^1$

素因数の和:15081

約数の個数: 32

約数和(自身を含む): 363218688

約数和(自身を除く): 143473407

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 2091, 4879, 14637, 15013, 45039, 105091, 255221, 315273, 615533, 765663, 1786547, 1846599, 4308731, 5359641, 10464061, 12926193, 31392183, 73248427, 219745281]

約数ペア:

[(1, 219745281), (3, 73248427), (7, 31392183), (17, 12926193), (21, 10464061), (41, 5359641), (51, 4308731), (119, 1846599), (123, 1786547), (287, 765663), (357, 615533), (697, 315273), (861, 255221), (2091, 105091), (4879, 45039), (14637, 15013)]