213426495

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 398626272

約数和(自身を除く): 185199777

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 61, 81, 135, 159, 163, 183, 265, 305, 405, 477, 489, 549, 795, 815, 915, 1431, 1467, 1647, 2385, 2445, 2745, 3233, 4293, 4401, 4941, 7155, 7335, 8235, 8639, 9699, 9943, 13203, 16165, 21465, 22005, 24705, 25917, 29097, 29829, 43195, 48495, 49715, 66015, 77751, 87291, 89487, 129585, 145485, 149145, 233253, 261873, 268461, 388755, 436455, 447435, 526979, 699759, 805383, 1166265, 1309365, 1342305, 1580937, 2634895, 3498795, 4026915, 4742811, 7904685, 14228433, 23714055, 42685299, 71142165, 213426495]

約数ペア:

[(1, 213426495), (3, 71142165), (5, 42685299), (9, 23714055), (15, 14228433), (27, 7904685), (45, 4742811), (53, 4026915), (61, 3498795), (81, 2634895), (135, 1580937), (159, 1342305), (163, 1309365), (183, 1166265), (265, 805383), (305, 699759), (405, 526979), (477, 447435), (489, 436455), (549, 388755), (795, 268461), (815, 261873), (915, 233253), (1431, 149145), (1467, 145485), (1647, 129585), (2385, 89487), (2445, 87291), (2745, 77751), (3233, 66015), (4293, 49715), (4401, 48495), (4941, 43195), (7155, 29829), (7335, 29097), (8235, 25917), (8639, 24705), (9699, 22005), (9943, 21465), (13203, 16165)]