1900455

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:167

約数の個数: 32

約数和(自身を含む): 3237888

約数和(自身を除く): 1337433

約数列:

[1, 3, 5, 15, 31, 61, 67, 93, 155, 183, 201, 305, 335, 465, 915, 1005, 1891, 2077, 4087, 5673, 6231, 9455, 10385, 12261, 20435, 28365, 31155, 61305, 126697, 380091, 633485, 1900455]

約数ペア:

[(1, 1900455), (3, 633485), (5, 380091), (15, 126697), (31, 61305), (61, 31155), (67, 28365), (93, 20435), (155, 12261), (183, 10385), (201, 9455), (305, 6231), (335, 5673), (465, 4087), (915, 2077), (1005, 1891)]