645539475

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{269}}^1\times {\mathrm{653}}^1$

素因数の和:949

約数の個数: 72

約数和(自身を含む): 1248067440

約数和(自身を除く): 602527965

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 269, 525, 653, 735, 807, 1225, 1345, 1883, 1959, 3265, 3675, 4035, 4571, 5649, 6725, 9415, 9795, 13181, 13713, 16325, 20175, 22855, 28245, 31997, 39543, 47075, 48975, 65905, 68565, 95991, 114275, 141225, 159985, 175657, 197715, 329525, 342825, 479955, 526971, 799925, 878285, 988575, 1229599, 2399775, 2634855, 3688797, 4391425, 6147995, 8607193, 13174275, 18443985, 25821579, 30739975, 43035965, 92219925, 129107895, 215179825, 645539475]

約数ペア:

[(1, 645539475), (3, 215179825), (5, 129107895), (7, 92219925), (15, 43035965), (21, 30739975), (25, 25821579), (35, 18443985), (49, 13174275), (75, 8607193), (105, 6147995), (147, 4391425), (175, 3688797), (245, 2634855), (269, 2399775), (525, 1229599), (653, 988575), (735, 878285), (807, 799925), (1225, 526971), (1345, 479955), (1883, 342825), (1959, 329525), (3265, 197715), (3675, 175657), (4035, 159985), (4571, 141225), (5649, 114275), (6725, 95991), (9415, 68565), (9795, 65905), (13181, 48975), (13713, 47075), (16325, 39543), (20175, 31997), (22855, 28245)]