7813845

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 15809976

約数和(自身を除く): 7996131

約数列:

[1, 3, 5, 9, 13, 15, 19, 37, 39, 45, 57, 65, 95, 111, 117, 171, 185, 195, 247, 285, 333, 361, 481, 555, 585, 703, 741, 855, 1083, 1235, 1443, 1665, 1805, 2109, 2223, 2405, 3249, 3515, 3705, 4329, 4693, 5415, 6327, 7215, 9139, 10545, 11115, 13357, 14079, 16245, 21645, 23465, 27417, 31635, 40071, 42237, 45695, 66785, 70395, 82251, 120213, 137085, 173641, 200355, 211185, 411255, 520923, 601065, 868205, 1562769, 2604615, 7813845]

約数ペア:

[(1, 7813845), (3, 2604615), (5, 1562769), (9, 868205), (13, 601065), (15, 520923), (19, 411255), (37, 211185), (39, 200355), (45, 173641), (57, 137085), (65, 120213), (95, 82251), (111, 70395), (117, 66785), (171, 45695), (185, 42237), (195, 40071), (247, 31635), (285, 27417), (333, 23465), (361, 21645), (481, 16245), (555, 14079), (585, 13357), (703, 11115), (741, 10545), (855, 9139), (1083, 7215), (1235, 6327), (1443, 5415), (1665, 4693), (1805, 4329), (2109, 3705), (2223, 3515), (2405, 3249)]