12920232045

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{1321}}^1\times {\mathrm{1901}}^1$

素因数の和:3251

約数の個数: 64

約数和(自身を含む): 24138662400

約数和(自身を除く): 11218430355

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1321, 1715, 1901, 3963, 5145, 5703, 6605, 9247, 9505, 13307, 19815, 27741, 28515, 39921, 46235, 64729, 66535, 93149, 138705, 194187, 199605, 279447, 323645, 453103, 465745, 652043, 970935, 1359309, 1397235, 1956129, 2265515, 2511221, 3260215, 6796545, 7533663, 9780645, 12556105, 17578547, 37668315, 52735641, 87892735, 123049829, 263678205, 369149487, 615249145, 861348803, 1845747435, 2584046409, 4306744015, 12920232045]

約数ペア:

[(1, 12920232045), (3, 4306744015), (5, 2584046409), (7, 1845747435), (15, 861348803), (21, 615249145), (35, 369149487), (49, 263678205), (105, 123049829), (147, 87892735), (245, 52735641), (343, 37668315), (735, 17578547), (1029, 12556105), (1321, 9780645), (1715, 7533663), (1901, 6796545), (3963, 3260215), (5145, 2511221), (5703, 2265515), (6605, 1956129), (9247, 1397235), (9505, 1359309), (13307, 970935), (19815, 652043), (27741, 465745), (28515, 453103), (39921, 323645), (46235, 279447), (64729, 199605), (66535, 194187), (93149, 138705)]