74891205

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 138378240

約数和(自身を除く): 63487035

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 223, 255, 439, 669, 765, 1115, 1317, 2007, 2195, 3345, 3791, 3951, 6585, 7463, 10035, 11373, 18955, 19755, 22389, 34119, 37315, 56865, 67167, 97897, 111945, 170595, 293691, 335835, 489485, 881073, 1468455, 1664249, 4405365, 4992747, 8321245, 14978241, 24963735, 74891205]

約数ペア:

[(1, 74891205), (3, 24963735), (5, 14978241), (9, 8321245), (15, 4992747), (17, 4405365), (45, 1664249), (51, 1468455), (85, 881073), (153, 489485), (223, 335835), (255, 293691), (439, 170595), (669, 111945), (765, 97897), (1115, 67167), (1317, 56865), (2007, 37315), (2195, 34119), (3345, 22389), (3791, 19755), (3951, 18955), (6585, 11373), (7463, 10035)]