65004975

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 134440800

約数和(自身を除く): 69435825

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 149, 175, 225, 277, 315, 447, 525, 745, 831, 1043, 1341, 1385, 1575, 1939, 2235, 2493, 3129, 3725, 4155, 5215, 5817, 6705, 6925, 9387, 9695, 11175, 12465, 15645, 17451, 20775, 26075, 29085, 33525, 41273, 46935, 48475, 62325, 78225, 87255, 123819, 145425, 206365, 234675, 288911, 371457, 436275, 619095, 866733, 1031825, 1444555, 1857285, 2600199, 3095475, 4333665, 7222775, 9286425, 13000995, 21668325, 65004975]

約数ペア:

[(1, 65004975), (3, 21668325), (5, 13000995), (7, 9286425), (9, 7222775), (15, 4333665), (21, 3095475), (25, 2600199), (35, 1857285), (45, 1444555), (63, 1031825), (75, 866733), (105, 619095), (149, 436275), (175, 371457), (225, 288911), (277, 234675), (315, 206365), (447, 145425), (525, 123819), (745, 87255), (831, 78225), (1043, 62325), (1341, 48475), (1385, 46935), (1575, 41273), (1939, 33525), (2235, 29085), (2493, 26075), (3129, 20775), (3725, 17451), (4155, 15645), (5215, 12465), (5817, 11175), (6705, 9695), (6925, 9387)]