291234195

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{269}}^1\times {\mathrm{491}}^1$

素因数の和:785

約数の個数: 72

約数和(自身を含む): 590606640

約数和(自身を除く): 299372445

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 269, 315, 441, 491, 735, 807, 1345, 1473, 1883, 2205, 2421, 2455, 3437, 4035, 4419, 5649, 7365, 9415, 10311, 12105, 13181, 16947, 17185, 22095, 24059, 28245, 30933, 39543, 51555, 65905, 72177, 84735, 118629, 120295, 132079, 154665, 197715, 216531, 360885, 396237, 593145, 660395, 924553, 1082655, 1188711, 1981185, 2773659, 4622765, 5943555, 6471871, 8320977, 13868295, 19415613, 32359355, 41604885, 58246839, 97078065, 291234195]

約数ペア:

[(1, 291234195), (3, 97078065), (5, 58246839), (7, 41604885), (9, 32359355), (15, 19415613), (21, 13868295), (35, 8320977), (45, 6471871), (49, 5943555), (63, 4622765), (105, 2773659), (147, 1981185), (245, 1188711), (269, 1082655), (315, 924553), (441, 660395), (491, 593145), (735, 396237), (807, 360885), (1345, 216531), (1473, 197715), (1883, 154665), (2205, 132079), (2421, 120295), (2455, 118629), (3437, 84735), (4035, 72177), (4419, 65905), (5649, 51555), (7365, 39543), (9415, 30933), (10311, 28245), (12105, 24059), (13181, 22095), (16947, 17185)]