820339965

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 1553610240

約数和(自身を除く): 733270275

約数列:

[1, 3, 5, 9, 15, 23, 29, 45, 69, 87, 115, 145, 151, 181, 207, 261, 345, 435, 453, 543, 667, 755, 905, 1035, 1305, 1359, 1629, 2001, 2265, 2715, 3335, 3473, 4163, 4379, 5249, 6003, 6795, 8145, 10005, 10419, 12489, 13137, 15747, 17365, 20815, 21895, 26245, 27331, 30015, 31257, 37467, 39411, 47241, 52095, 62445, 65685, 78735, 81993, 100717, 120727, 136655, 156285, 187335, 197055, 236205, 245979, 302151, 362181, 409965, 503585, 603635, 628613, 792599, 906453, 1086543, 1229895, 1510755, 1810905, 1885839, 2377797, 3143065, 3962995, 4532265, 5432715, 5657517, 7133391, 9429195, 11888985, 18229777, 28287585, 35666955, 54689331, 91148885, 164067993, 273446655, 820339965]

約数ペア:

[(1, 820339965), (3, 273446655), (5, 164067993), (9, 91148885), (15, 54689331), (23, 35666955), (29, 28287585), (45, 18229777), (69, 11888985), (87, 9429195), (115, 7133391), (145, 5657517), (151, 5432715), (181, 4532265), (207, 3962995), (261, 3143065), (345, 2377797), (435, 1885839), (453, 1810905), (543, 1510755), (667, 1229895), (755, 1086543), (905, 906453), (1035, 792599), (1305, 628613), (1359, 603635), (1629, 503585), (2001, 409965), (2265, 362181), (2715, 302151), (3335, 245979), (3473, 236205), (4163, 197055), (4379, 187335), (5249, 156285), (6003, 136655), (6795, 120727), (8145, 100717), (10005, 81993), (10419, 78735), (12489, 65685), (13137, 62445), (15747, 52095), (17365, 47241), (20815, 39411), (21895, 37467), (26245, 31257), (27331, 30015)]