42991965

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 83867520

約数和(自身を除く): 40875555

約数列:

[1, 3, 5, 9, 15, 19, 27, 37, 45, 57, 81, 95, 111, 135, 151, 171, 185, 285, 333, 405, 453, 513, 555, 703, 755, 855, 999, 1359, 1539, 1665, 2109, 2265, 2565, 2869, 2997, 3515, 4077, 4995, 5587, 6327, 6795, 7695, 8607, 10545, 12231, 14345, 14985, 16761, 18981, 20385, 25821, 27935, 31635, 43035, 50283, 56943, 61155, 77463, 83805, 94905, 106153, 129105, 150849, 232389, 251415, 284715, 318459, 387315, 452547, 530765, 754245, 955377, 1161945, 1592295, 2262735, 2866131, 4776885, 8598393, 14330655, 42991965]

約数ペア:

[(1, 42991965), (3, 14330655), (5, 8598393), (9, 4776885), (15, 2866131), (19, 2262735), (27, 1592295), (37, 1161945), (45, 955377), (57, 754245), (81, 530765), (95, 452547), (111, 387315), (135, 318459), (151, 284715), (171, 251415), (185, 232389), (285, 150849), (333, 129105), (405, 106153), (453, 94905), (513, 83805), (555, 77463), (703, 61155), (755, 56943), (855, 50283), (999, 43035), (1359, 31635), (1539, 27935), (1665, 25821), (2109, 20385), (2265, 18981), (2565, 16761), (2869, 14985), (2997, 14345), (3515, 12231), (4077, 10545), (4995, 8607), (5587, 7695), (6327, 6795)]