3947895

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 7967232

約数和(自身を除く): 4019337

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 83, 105, 151, 249, 315, 415, 453, 581, 747, 755, 1057, 1245, 1359, 1743, 2265, 2905, 3171, 3735, 5229, 5285, 6795, 8715, 9513, 12533, 15855, 26145, 37599, 47565, 62665, 87731, 112797, 187995, 263193, 438655, 563985, 789579, 1315965, 3947895]

約数ペア:

[(1, 3947895), (3, 1315965), (5, 789579), (7, 563985), (9, 438655), (15, 263193), (21, 187995), (35, 112797), (45, 87731), (63, 62665), (83, 47565), (105, 37599), (151, 26145), (249, 15855), (315, 12533), (415, 9513), (453, 8715), (581, 6795), (747, 5285), (755, 5229), (1057, 3735), (1245, 3171), (1359, 2905), (1743, 2265)]