252185895

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 493968384

約数和(自身を除く): 241782489

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 61, 65, 111, 117, 183, 185, 191, 195, 305, 333, 481, 549, 555, 573, 585, 793, 915, 955, 1443, 1665, 1719, 2257, 2379, 2405, 2483, 2745, 2865, 3965, 4329, 6771, 7067, 7137, 7215, 7449, 8595, 11285, 11651, 11895, 12415, 20313, 21201, 21645, 22347, 29341, 33855, 34953, 35335, 35685, 37245, 58255, 63603, 88023, 91871, 101565, 104859, 106005, 111735, 146705, 151463, 174765, 264069, 275613, 318015, 431087, 440115, 454389, 459355, 524295, 757315, 826839, 1293261, 1320345, 1363167, 1378065, 2155435, 2271945, 3879783, 4134195, 5604131, 6466305, 6815835, 16812393, 19398915, 28020655, 50437179, 84061965, 252185895]

約数ペア:

[(1, 252185895), (3, 84061965), (5, 50437179), (9, 28020655), (13, 19398915), (15, 16812393), (37, 6815835), (39, 6466305), (45, 5604131), (61, 4134195), (65, 3879783), (111, 2271945), (117, 2155435), (183, 1378065), (185, 1363167), (191, 1320345), (195, 1293261), (305, 826839), (333, 757315), (481, 524295), (549, 459355), (555, 454389), (573, 440115), (585, 431087), (793, 318015), (915, 275613), (955, 264069), (1443, 174765), (1665, 151463), (1719, 146705), (2257, 111735), (2379, 106005), (2405, 104859), (2483, 101565), (2745, 91871), (2865, 88023), (3965, 63603), (4329, 58255), (6771, 37245), (7067, 35685), (7137, 35335), (7215, 34953), (7449, 33855), (8595, 29341), (11285, 22347), (11651, 21645), (11895, 21201), (12415, 20313)]