888980355

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1\times {\mathrm{1223}}^1$

素因数の和:1820

約数の個数: 48

約数和(自身を含む): 1598201280

約数和(自身を除く): 709220925

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 557, 1223, 1305, 1671, 2785, 3669, 5013, 6115, 8355, 11007, 16153, 18345, 25065, 35467, 48459, 55035, 80765, 106401, 145377, 177335, 242295, 319203, 532005, 681211, 726885, 1596015, 2043633, 3406055, 6130899, 10218165, 19755119, 30654495, 59265357, 98775595, 177796071, 296326785, 888980355]

約数ペア:

[(1, 888980355), (3, 296326785), (5, 177796071), (9, 98775595), (15, 59265357), (29, 30654495), (45, 19755119), (87, 10218165), (145, 6130899), (261, 3406055), (435, 2043633), (557, 1596015), (1223, 726885), (1305, 681211), (1671, 532005), (2785, 319203), (3669, 242295), (5013, 177335), (6115, 145377), (8355, 106401), (11007, 80765), (16153, 55035), (18345, 48459), (25065, 35467)]