1968915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 3548160

約数和(自身を除く): 1579245

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 439, 897, 1317, 1495, 2195, 4485, 5707, 6585, 10097, 17121, 28535, 30291, 50485, 85605, 131261, 151455, 393783, 656305, 1968915]

約数ペア:

[(1, 1968915), (3, 656305), (5, 393783), (13, 151455), (15, 131261), (23, 85605), (39, 50485), (65, 30291), (69, 28535), (115, 17121), (195, 10097), (299, 6585), (345, 5707), (439, 4485), (897, 2195), (1317, 1495)]