21876178545

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3041}}^1\times {\mathrm{4099}}^1$

素因数の和:7167

約数の個数: 64

約数和(自身を含む): 41906592000

約数和(自身を除く): 20030413455

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 3041, 4099, 9123, 12297, 15205, 20495, 27369, 36891, 39533, 45615, 53287, 61485, 82107, 110673, 118599, 136845, 159861, 184455, 197665, 266435, 355797, 410535, 479583, 553365, 592995, 799305, 1067391, 1438749, 1778985, 2397915, 5336955, 7193745, 12465059, 37395177, 62325295, 112185531, 162045767, 186975885, 336556593, 486137301, 560927655, 810228835, 1458411903, 1682782965, 2430686505, 4375235709, 7292059515, 21876178545]

約数ペア:

[(1, 21876178545), (3, 7292059515), (5, 4375235709), (9, 2430686505), (13, 1682782965), (15, 1458411903), (27, 810228835), (39, 560927655), (45, 486137301), (65, 336556593), (117, 186975885), (135, 162045767), (195, 112185531), (351, 62325295), (585, 37395177), (1755, 12465059), (3041, 7193745), (4099, 5336955), (9123, 2397915), (12297, 1778985), (15205, 1438749), (20495, 1067391), (27369, 799305), (36891, 592995), (39533, 553365), (45615, 479583), (53287, 410535), (61485, 355797), (82107, 266435), (110673, 197665), (118599, 184455), (136845, 159861)]