31890495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 63995904

約数和(自身を除く): 32105409

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 61, 65, 91, 105, 183, 195, 273, 305, 383, 427, 455, 793, 915, 1149, 1281, 1365, 1915, 2135, 2379, 2681, 3965, 4979, 5551, 5745, 6405, 8043, 11895, 13405, 14937, 16653, 23363, 24895, 27755, 34853, 40215, 70089, 74685, 83265, 104559, 116815, 163541, 174265, 303719, 350445, 490623, 522795, 817705, 911157, 1518595, 2126033, 2453115, 4555785, 6378099, 10630165, 31890495]

約数ペア:

[(1, 31890495), (3, 10630165), (5, 6378099), (7, 4555785), (13, 2453115), (15, 2126033), (21, 1518595), (35, 911157), (39, 817705), (61, 522795), (65, 490623), (91, 350445), (105, 303719), (183, 174265), (195, 163541), (273, 116815), (305, 104559), (383, 83265), (427, 74685), (455, 70089), (793, 40215), (915, 34853), (1149, 27755), (1281, 24895), (1365, 23363), (1915, 16653), (2135, 14937), (2379, 13405), (2681, 11895), (3965, 8043), (4979, 6405), (5551, 5745)]