726240039

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{463}}^1\times {\mathrm{661}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 1120548864

約数和(自身を除く): 394308825

約数列:

[1, 3, 7, 21, 113, 339, 463, 661, 791, 1389, 1983, 2373, 3241, 4627, 9723, 13881, 52319, 74693, 156957, 224079, 306043, 366233, 522851, 918129, 1098699, 1568553, 2142301, 6426903, 34582859, 103748577, 242080013, 726240039]

約数ペア:

[(1, 726240039), (3, 242080013), (7, 103748577), (21, 34582859), (113, 6426903), (339, 2142301), (463, 1568553), (661, 1098699), (791, 918129), (1389, 522851), (1983, 366233), (2373, 306043), (3241, 224079), (4627, 156957), (9723, 74693), (13881, 52319)]