253531485

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2089}}^1$

素因数の和:2163

約数の個数: 64

約数和(自身を含む): 481536000

約数和(自身を除く): 228004515

約数列:

[1, 3, 5, 9, 15, 27, 29, 31, 45, 87, 93, 135, 145, 155, 261, 279, 435, 465, 783, 837, 899, 1305, 1395, 2089, 2697, 3915, 4185, 4495, 6267, 8091, 10445, 13485, 18801, 24273, 31335, 40455, 56403, 60581, 64759, 94005, 121365, 181743, 194277, 282015, 302905, 323795, 545229, 582831, 908715, 971385, 1635687, 1748493, 1878011, 2726145, 2914155, 5634033, 8178435, 8742465, 9390055, 16902099, 28170165, 50706297, 84510495, 253531485]

約数ペア:

[(1, 253531485), (3, 84510495), (5, 50706297), (9, 28170165), (15, 16902099), (27, 9390055), (29, 8742465), (31, 8178435), (45, 5634033), (87, 2914155), (93, 2726145), (135, 1878011), (145, 1748493), (155, 1635687), (261, 971385), (279, 908715), (435, 582831), (465, 545229), (783, 323795), (837, 302905), (899, 282015), (1305, 194277), (1395, 181743), (2089, 121365), (2697, 94005), (3915, 64759), (4185, 60581), (4495, 56403), (6267, 40455), (8091, 31335), (10445, 24273), (13485, 18801)]