18265215

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 30528000

約数和(自身を除く): 12262785

約数列:

[1, 3, 5, 15, 29, 87, 145, 199, 211, 435, 597, 633, 995, 1055, 2985, 3165, 5771, 6119, 17313, 18357, 28855, 30595, 41989, 86565, 91785, 125967, 209945, 629835, 1217681, 3653043, 6088405, 18265215]

約数ペア:

[(1, 18265215), (3, 6088405), (5, 3653043), (15, 1217681), (29, 629835), (87, 209945), (145, 125967), (199, 91785), (211, 86565), (435, 41989), (597, 30595), (633, 28855), (995, 18357), (1055, 17313), (2985, 6119), (3165, 5771)]