72103005

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 142740000

約数和(自身を除く): 70636995

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 169, 171, 195, 247, 285, 499, 507, 585, 741, 845, 855, 1235, 1497, 1521, 2223, 2495, 2535, 3211, 3705, 4491, 6487, 7485, 7605, 9481, 9633, 11115, 16055, 19461, 22455, 28443, 28899, 32435, 47405, 48165, 58383, 84331, 85329, 97305, 123253, 142215, 144495, 252993, 291915, 369759, 421655, 426645, 616265, 758979, 1109277, 1264965, 1602289, 1848795, 3794895, 4806867, 5546385, 8011445, 14420601, 24034335, 72103005]

約数ペア:

[(1, 72103005), (3, 24034335), (5, 14420601), (9, 8011445), (13, 5546385), (15, 4806867), (19, 3794895), (39, 1848795), (45, 1602289), (57, 1264965), (65, 1109277), (95, 758979), (117, 616265), (169, 426645), (171, 421655), (195, 369759), (247, 291915), (285, 252993), (499, 144495), (507, 142215), (585, 123253), (741, 97305), (845, 85329), (855, 84331), (1235, 58383), (1497, 48165), (1521, 47405), (2223, 32435), (2495, 28899), (2535, 28443), (3211, 22455), (3705, 19461), (4491, 16055), (6487, 11115), (7485, 9633), (7605, 9481)]