245887605

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 434004480

約数和(自身を除く): 188116875

約数列:

[1, 3, 5, 9, 15, 45, 107, 223, 229, 321, 535, 669, 687, 963, 1115, 1145, 1605, 2007, 2061, 3345, 3435, 4815, 10035, 10305, 23861, 24503, 51067, 71583, 73509, 119305, 122515, 153201, 214749, 220527, 255335, 357915, 367545, 459603, 766005, 1073745, 1102635, 2298015, 5464169, 16392507, 27320845, 49177521, 81962535, 245887605]

約数ペア:

[(1, 245887605), (3, 81962535), (5, 49177521), (9, 27320845), (15, 16392507), (45, 5464169), (107, 2298015), (223, 1102635), (229, 1073745), (321, 766005), (535, 459603), (669, 367545), (687, 357915), (963, 255335), (1115, 220527), (1145, 214749), (1605, 153201), (2007, 122515), (2061, 119305), (3345, 73509), (3435, 71583), (4815, 51067), (10035, 24503), (10305, 23861)]