18290025

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^3\times {\mathrm{37}}^1$

素因数の和:92

約数の個数: 72

約数和(自身を含む): 36447320

約数和(自身を除く): 18157295

約数列:

[1, 3, 5, 9, 13, 15, 25, 37, 39, 45, 65, 75, 111, 117, 169, 185, 195, 225, 325, 333, 481, 507, 555, 585, 845, 925, 975, 1443, 1521, 1665, 2197, 2405, 2535, 2775, 2925, 4225, 4329, 6253, 6591, 7215, 7605, 8325, 10985, 12025, 12675, 18759, 19773, 21645, 31265, 32955, 36075, 38025, 54925, 56277, 81289, 93795, 98865, 108225, 156325, 164775, 243867, 281385, 406445, 468975, 494325, 731601, 1219335, 1406925, 2032225, 3658005, 6096675, 18290025]

約数ペア:

[(1, 18290025), (3, 6096675), (5, 3658005), (9, 2032225), (13, 1406925), (15, 1219335), (25, 731601), (37, 494325), (39, 468975), (45, 406445), (65, 281385), (75, 243867), (111, 164775), (117, 156325), (169, 108225), (185, 98865), (195, 93795), (225, 81289), (325, 56277), (333, 54925), (481, 38025), (507, 36075), (555, 32955), (585, 31265), (845, 21645), (925, 19773), (975, 18759), (1443, 12675), (1521, 12025), (1665, 10985), (2197, 8325), (2405, 7605), (2535, 7215), (2775, 6591), (2925, 6253), (4225, 4329)]