991102905

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{15263}}^1$

素因数の和:15327

約数の個数: 64

約数和(自身を含む): 1948907520

約数和(自身を除く): 957804615

約数列:

[1, 3, 5, 9, 13, 15, 27, 37, 39, 45, 65, 111, 117, 135, 185, 195, 333, 351, 481, 555, 585, 999, 1443, 1665, 1755, 2405, 4329, 4995, 7215, 12987, 15263, 21645, 45789, 64935, 76315, 137367, 198419, 228945, 412101, 564731, 595257, 686835, 992095, 1694193, 1785771, 2060505, 2823655, 2976285, 5082579, 5357313, 7341503, 8470965, 8928855, 15247737, 22024509, 25412895, 26786565, 36707515, 66073527, 76238685, 110122545, 198220581, 330367635, 991102905]

約数ペア:

[(1, 991102905), (3, 330367635), (5, 198220581), (9, 110122545), (13, 76238685), (15, 66073527), (27, 36707515), (37, 26786565), (39, 25412895), (45, 22024509), (65, 15247737), (111, 8928855), (117, 8470965), (135, 7341503), (185, 5357313), (195, 5082579), (333, 2976285), (351, 2823655), (481, 2060505), (555, 1785771), (585, 1694193), (999, 992095), (1443, 686835), (1665, 595257), (1755, 564731), (2405, 412101), (4329, 228945), (4995, 198419), (7215, 137367), (12987, 76315), (15263, 64935), (21645, 45789)]