2989875915

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{74071}}^1$

素因数の和:74121

約数の個数: 64

約数和(自身を含む): 5973166080

約数和(自身を除く): 2983290165

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 65, 69, 115, 117, 135, 195, 207, 299, 345, 351, 585, 621, 897, 1035, 1495, 1755, 2691, 3105, 4485, 8073, 13455, 40365, 74071, 222213, 370355, 666639, 962923, 1111065, 1703633, 1999917, 2888769, 3333195, 4814615, 5110899, 8518165, 8666307, 9999585, 14443845, 15332697, 22147229, 25554495, 25998921, 43331535, 45998091, 66441687, 76663485, 110736145, 129994605, 199325061, 229990455, 332208435, 597975183, 996625305, 2989875915]

約数ペア:

[(1, 2989875915), (3, 996625305), (5, 597975183), (9, 332208435), (13, 229990455), (15, 199325061), (23, 129994605), (27, 110736145), (39, 76663485), (45, 66441687), (65, 45998091), (69, 43331535), (115, 25998921), (117, 25554495), (135, 22147229), (195, 15332697), (207, 14443845), (299, 9999585), (345, 8666307), (351, 8518165), (585, 5110899), (621, 4814615), (897, 3333195), (1035, 2888769), (1495, 1999917), (1755, 1703633), (2691, 1111065), (3105, 962923), (4485, 666639), (8073, 370355), (13455, 222213), (40365, 74071)]