2783249865

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{26903}}^1$

素因数の和:26955

約数の個数: 72

約数和(自身を含む): 5582041920

約数和(自身を除く): 2798792055

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 121, 165, 171, 209, 285, 363, 495, 605, 627, 855, 1045, 1089, 1815, 1881, 2299, 3135, 5445, 6897, 9405, 11495, 20691, 26903, 34485, 80709, 103455, 134515, 242127, 295933, 403545, 511157, 887799, 1210635, 1479665, 1533471, 2555785, 2663397, 3255263, 4438995, 4600413, 5622727, 7667355, 9765789, 13316985, 16276315, 16868181, 23002065, 28113635, 29297367, 48828945, 50604543, 61849997, 84340905, 146486835, 185549991, 253022715, 309249985, 556649973, 927749955, 2783249865]

約数ペア:

[(1, 2783249865), (3, 927749955), (5, 556649973), (9, 309249985), (11, 253022715), (15, 185549991), (19, 146486835), (33, 84340905), (45, 61849997), (55, 50604543), (57, 48828945), (95, 29297367), (99, 28113635), (121, 23002065), (165, 16868181), (171, 16276315), (209, 13316985), (285, 9765789), (363, 7667355), (495, 5622727), (605, 4600413), (627, 4438995), (855, 3255263), (1045, 2663397), (1089, 2555785), (1815, 1533471), (1881, 1479665), (2299, 1210635), (3135, 887799), (5445, 511157), (6897, 403545), (9405, 295933), (11495, 242127), (20691, 134515), (26903, 103455), (34485, 80709)]