85213575

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:709

約数の個数: 72

約数和(自身を含む): 166100480

約数和(自身を除く): 80886905

約数列:

[1, 3, 5, 9, 15, 19, 25, 31, 45, 57, 75, 93, 95, 155, 171, 225, 279, 285, 465, 475, 589, 643, 775, 855, 1395, 1425, 1767, 1929, 2325, 2945, 3215, 4275, 5301, 5787, 6975, 8835, 9645, 12217, 14725, 16075, 19933, 26505, 28935, 36651, 44175, 48225, 59799, 61085, 99665, 109953, 132525, 144675, 179397, 183255, 298995, 305425, 378727, 498325, 549765, 896985, 916275, 1136181, 1494975, 1893635, 2748825, 3408543, 4484925, 5680905, 9468175, 17042715, 28404525, 85213575]

約数ペア:

[(1, 85213575), (3, 28404525), (5, 17042715), (9, 9468175), (15, 5680905), (19, 4484925), (25, 3408543), (31, 2748825), (45, 1893635), (57, 1494975), (75, 1136181), (93, 916275), (95, 896985), (155, 549765), (171, 498325), (225, 378727), (279, 305425), (285, 298995), (465, 183255), (475, 179397), (589, 144675), (643, 132525), (775, 109953), (855, 99665), (1395, 61085), (1425, 59799), (1767, 48225), (1929, 44175), (2325, 36651), (2945, 28935), (3215, 26505), (4275, 19933), (5301, 16075), (5787, 14725), (6975, 12217), (8835, 9645)]