19865740725

素因数分解:

$3^3\times 5^2\times {\mathrm{4261}}^1\times {\mathrm{6907}}^1$

素因数の和:11187

約数の個数: 48

約数和(自身を含む): 36507951040

約数和(自身を除く): 16642210315

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 4261, 6907, 12783, 20721, 21305, 34535, 38349, 62163, 63915, 103605, 106525, 115047, 172675, 186489, 191745, 310815, 319575, 518025, 575235, 932445, 958725, 1554075, 2876175, 4662225, 29430727, 88292181, 147153635, 264876543, 441460905, 735768175, 794629629, 1324382715, 2207304525, 3973148145, 6621913575, 19865740725]

約数ペア:

[(1, 19865740725), (3, 6621913575), (5, 3973148145), (9, 2207304525), (15, 1324382715), (25, 794629629), (27, 735768175), (45, 441460905), (75, 264876543), (135, 147153635), (225, 88292181), (675, 29430727), (4261, 4662225), (6907, 2876175), (12783, 1554075), (20721, 958725), (21305, 932445), (34535, 575235), (38349, 518025), (62163, 319575), (63915, 310815), (103605, 191745), (106525, 186489), (115047, 172675)]