218211399

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1439}}^1$

素因数の和:1564

約数の個数: 48

約数和(自身を含む): 377395200

約数和(自身を除く): 159183801

約数列:

[1, 3, 7, 9, 21, 29, 63, 83, 87, 203, 249, 261, 581, 609, 747, 1439, 1743, 1827, 2407, 4317, 5229, 7221, 10073, 12951, 16849, 21663, 30219, 41731, 50547, 90657, 119437, 125193, 151641, 292117, 358311, 375579, 836059, 876351, 1074933, 2508177, 2629053, 3463673, 7524531, 10391019, 24245711, 31173057, 72737133, 218211399]

約数ペア:

[(1, 218211399), (3, 72737133), (7, 31173057), (9, 24245711), (21, 10391019), (29, 7524531), (63, 3463673), (83, 2629053), (87, 2508177), (203, 1074933), (249, 876351), (261, 836059), (581, 375579), (609, 358311), (747, 292117), (1439, 151641), (1743, 125193), (1827, 119437), (2407, 90657), (4317, 50547), (5229, 41731), (7221, 30219), (10073, 21663), (12951, 16849)]