220197735

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 391042080

約数和(自身を除く): 170844345

約数列:

[1, 3, 5, 9, 15, 45, 59, 177, 197, 295, 421, 531, 591, 885, 985, 1263, 1773, 2105, 2655, 2955, 3789, 6315, 8865, 11623, 18945, 24839, 34869, 58115, 74517, 82937, 104607, 124195, 174345, 223551, 248811, 372585, 414685, 523035, 746433, 1117755, 1244055, 3732165, 4893283, 14679849, 24466415, 44039547, 73399245, 220197735]

約数ペア:

[(1, 220197735), (3, 73399245), (5, 44039547), (9, 24466415), (15, 14679849), (45, 4893283), (59, 3732165), (177, 1244055), (197, 1117755), (295, 746433), (421, 523035), (531, 414685), (591, 372585), (885, 248811), (985, 223551), (1263, 174345), (1773, 124195), (2105, 104607), (2655, 82937), (2955, 74517), (3789, 58115), (6315, 34869), (8865, 24839), (11623, 18945)]