1640902869

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{743}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 2540408832

約数和(自身を除く): 899505963

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 227, 423, 681, 743, 1081, 2043, 2229, 3243, 5221, 6687, 9729, 10669, 15663, 17089, 32007, 34921, 46989, 51267, 96021, 104763, 153801, 168661, 245387, 314289, 505983, 736161, 803183, 1517949, 2208483, 2409549, 3879203, 7228647, 7927067, 11637609, 23781201, 34912827, 71343603, 182322541, 546967623, 1640902869]

約数ペア:

[(1, 1640902869), (3, 546967623), (9, 182322541), (23, 71343603), (47, 34912827), (69, 23781201), (141, 11637609), (207, 7927067), (227, 7228647), (423, 3879203), (681, 2409549), (743, 2208483), (1081, 1517949), (2043, 803183), (2229, 736161), (3243, 505983), (5221, 314289), (6687, 245387), (9729, 168661), (10669, 153801), (15663, 104763), (17089, 96021), (32007, 51267), (34921, 46989)]