40201917

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 63866880

約数和(自身を除く): 23664963

約数列:

[1, 3, 7, 21, 29, 87, 203, 251, 263, 609, 753, 789, 1757, 1841, 5271, 5523, 7279, 7627, 21837, 22881, 50953, 53389, 66013, 152859, 160167, 198039, 462091, 1386273, 1914377, 5743131, 13400639, 40201917]

約数ペア:

[(1, 40201917), (3, 13400639), (7, 5743131), (21, 1914377), (29, 1386273), (87, 462091), (203, 198039), (251, 160167), (263, 152859), (609, 66013), (753, 53389), (789, 50953), (1757, 22881), (1841, 21837), (5271, 7627), (5523, 7279)]