31116405

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1097}}^1$

素因数の和:1197

約数の個数: 32

約数和(自身を含む): 52282368

約数和(自身を除く): 21165963

約数列:

[1, 3, 5, 15, 31, 61, 93, 155, 183, 305, 465, 915, 1097, 1891, 3291, 5485, 5673, 9455, 16455, 28365, 34007, 66917, 102021, 170035, 200751, 334585, 510105, 1003755, 2074427, 6223281, 10372135, 31116405]

約数ペア:

[(1, 31116405), (3, 10372135), (5, 6223281), (15, 2074427), (31, 1003755), (61, 510105), (93, 334585), (155, 200751), (183, 170035), (305, 102021), (465, 66917), (915, 34007), (1097, 28365), (1891, 16455), (3291, 9455), (5485, 5673)]