129675195

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2061

約数の個数: 64

約数和(自身を含む): 255104640

約数和(自身を除く): 125429445

約数列:

[1, 3, 5, 9, 13, 15, 27, 37, 39, 45, 65, 111, 117, 135, 185, 195, 333, 351, 481, 555, 585, 999, 1443, 1665, 1755, 1997, 2405, 4329, 4995, 5991, 7215, 9985, 12987, 17973, 21645, 25961, 29955, 53919, 64935, 73889, 77883, 89865, 129805, 221667, 233649, 269595, 369445, 389415, 665001, 700947, 960557, 1108335, 1168245, 1995003, 2881671, 3325005, 3504735, 4802785, 8645013, 9975015, 14408355, 25935039, 43225065, 129675195]

約数ペア:

[(1, 129675195), (3, 43225065), (5, 25935039), (9, 14408355), (13, 9975015), (15, 8645013), (27, 4802785), (37, 3504735), (39, 3325005), (45, 2881671), (65, 1995003), (111, 1168245), (117, 1108335), (135, 960557), (185, 700947), (195, 665001), (333, 389415), (351, 369445), (481, 269595), (555, 233649), (585, 221667), (999, 129805), (1443, 89865), (1665, 77883), (1755, 73889), (1997, 64935), (2405, 53919), (4329, 29955), (4995, 25961), (5991, 21645), (7215, 17973), (9985, 12987)]