890678637

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 1465495200

約数和(自身を除く): 574816563

約数列:

[1, 3, 9, 17, 19, 51, 57, 67, 153, 171, 201, 269, 289, 323, 603, 807, 867, 969, 1139, 1273, 2421, 2601, 2907, 3417, 3819, 4573, 5111, 5491, 10251, 11457, 13719, 15333, 16473, 18023, 19363, 21641, 41157, 45999, 49419, 54069, 58089, 64923, 77741, 86887, 162207, 174267, 194769, 233223, 260661, 306391, 342437, 367897, 699669, 781983, 919173, 1027311, 1103691, 1477079, 2757519, 3081933, 3311073, 4431237, 5208647, 5821429, 13293711, 15625941, 17464287, 46877823, 52392861, 98964293, 296892879, 890678637]

約数ペア:

[(1, 890678637), (3, 296892879), (9, 98964293), (17, 52392861), (19, 46877823), (51, 17464287), (57, 15625941), (67, 13293711), (153, 5821429), (171, 5208647), (201, 4431237), (269, 3311073), (289, 3081933), (323, 2757519), (603, 1477079), (807, 1103691), (867, 1027311), (969, 919173), (1139, 781983), (1273, 699669), (2421, 367897), (2601, 342437), (2907, 306391), (3417, 260661), (3819, 233223), (4573, 194769), (5111, 174267), (5491, 162207), (10251, 86887), (11457, 77741), (13719, 64923), (15333, 58089), (16473, 54069), (18023, 49419), (19363, 45999), (21641, 41157)]