85816215

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 154791936

約数和(自身を除く): 68975721

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 227, 271, 279, 465, 681, 813, 1135, 1355, 1395, 2043, 2439, 3405, 4065, 7037, 8401, 10215, 12195, 21111, 25203, 35185, 42005, 61517, 63333, 75609, 105555, 126015, 184551, 307585, 316665, 378045, 553653, 922755, 1907027, 2768265, 5721081, 9535135, 17163243, 28605405, 85816215]

約数ペア:

[(1, 85816215), (3, 28605405), (5, 17163243), (9, 9535135), (15, 5721081), (31, 2768265), (45, 1907027), (93, 922755), (155, 553653), (227, 378045), (271, 316665), (279, 307585), (465, 184551), (681, 126015), (813, 105555), (1135, 75609), (1355, 63333), (1395, 61517), (2043, 42005), (2439, 35185), (3405, 25203), (4065, 21111), (7037, 12195), (8401, 10215)]