78817725

素因数分解:

$3^3\times 5^2\times 7^2\times {\mathrm{2383}}^1$

素因数の和:2416

約数の個数: 72

約数和(自身を含む): 168501120

約数和(自身を除く): 89683395

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 105, 135, 147, 175, 189, 225, 245, 315, 441, 525, 675, 735, 945, 1225, 1323, 1575, 2205, 2383, 3675, 4725, 6615, 7149, 11025, 11915, 16681, 21447, 33075, 35745, 50043, 59575, 64341, 83405, 107235, 116767, 150129, 178725, 250215, 321705, 350301, 417025, 450387, 536175, 583835, 750645, 1050903, 1251075, 1608525, 1751505, 2251935, 2919175, 3152709, 3753225, 5254515, 8757525, 11259675, 15763545, 26272575, 78817725]

約数ペア:

[(1, 78817725), (3, 26272575), (5, 15763545), (7, 11259675), (9, 8757525), (15, 5254515), (21, 3753225), (25, 3152709), (27, 2919175), (35, 2251935), (45, 1751505), (49, 1608525), (63, 1251075), (75, 1050903), (105, 750645), (135, 583835), (147, 536175), (175, 450387), (189, 417025), (225, 350301), (245, 321705), (315, 250215), (441, 178725), (525, 150129), (675, 116767), (735, 107235), (945, 83405), (1225, 64341), (1323, 59575), (1575, 50043), (2205, 35745), (2383, 33075), (3675, 21447), (4725, 16681), (6615, 11915), (7149, 11025)]