81100245

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 132370560

約数和(自身を除く): 51270315

約数列:

[1, 3, 5, 15, 97, 139, 291, 401, 417, 485, 695, 1203, 1455, 2005, 2085, 6015, 13483, 38897, 40449, 55739, 67415, 116691, 167217, 194485, 202245, 278695, 583455, 836085, 5406683, 16220049, 27033415, 81100245]

約数ペア:

[(1, 81100245), (3, 27033415), (5, 16220049), (15, 5406683), (97, 836085), (139, 583455), (291, 278695), (401, 202245), (417, 194485), (485, 167217), (695, 116691), (1203, 67415), (1455, 55739), (2005, 40449), (2085, 38897), (6015, 13483)]