81909135

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{307}}^1$

素因数の和:354

約数の個数: 108

約数和(自身を含む): 182125944

約数和(自身を除く): 100216809

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 49, 55, 63, 77, 99, 105, 121, 147, 165, 231, 245, 307, 315, 363, 385, 441, 495, 539, 605, 693, 735, 847, 921, 1089, 1155, 1535, 1617, 1815, 2149, 2205, 2541, 2695, 2763, 3377, 3465, 4235, 4605, 4851, 5445, 5929, 6447, 7623, 8085, 10131, 10745, 12705, 13815, 15043, 16885, 17787, 19341, 23639, 24255, 29645, 30393, 32235, 37147, 38115, 45129, 50655, 53361, 70917, 75215, 88935, 96705, 111441, 118195, 135387, 151965, 165473, 185735, 212751, 225645, 260029, 266805, 334323, 354585, 496419, 557205, 676935, 780087, 827365, 1063755, 1300145, 1489257, 1671615, 1820203, 2340261, 2482095, 3900435, 5460609, 7446285, 9101015, 11701305, 16381827, 27303045, 81909135]

約数ペア:

[(1, 81909135), (3, 27303045), (5, 16381827), (7, 11701305), (9, 9101015), (11, 7446285), (15, 5460609), (21, 3900435), (33, 2482095), (35, 2340261), (45, 1820203), (49, 1671615), (55, 1489257), (63, 1300145), (77, 1063755), (99, 827365), (105, 780087), (121, 676935), (147, 557205), (165, 496419), (231, 354585), (245, 334323), (307, 266805), (315, 260029), (363, 225645), (385, 212751), (441, 185735), (495, 165473), (539, 151965), (605, 135387), (693, 118195), (735, 111441), (847, 96705), (921, 88935), (1089, 75215), (1155, 70917), (1535, 53361), (1617, 50655), (1815, 45129), (2149, 38115), (2205, 37147), (2541, 32235), (2695, 30393), (2763, 29645), (3377, 24255), (3465, 23639), (4235, 19341), (4605, 17787), (4851, 16885), (5445, 15043), (5929, 13815), (6447, 12705), (7623, 10745), (8085, 10131)]