72720165

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{98939}}^1$

素因数の和:98961

約数の個数: 24

約数和(自身を含む): 135349920

約数和(自身を除く): 62629755

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 98939, 296817, 494695, 692573, 1484085, 2077719, 3462865, 4848011, 10388595, 14544033, 24240055, 72720165]

約数ペア:

[(1, 72720165), (3, 24240055), (5, 14544033), (7, 10388595), (15, 4848011), (21, 3462865), (35, 2077719), (49, 1484085), (105, 692573), (147, 494695), (245, 296817), (735, 98939)]