217955205

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13799}}^1$

素因数の和:13832

約数の個数: 48

約数和(自身を含む): 421948800

約数和(自身を除く): 203993595

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 351, 405, 585, 1053, 1215, 1755, 3159, 5265, 13799, 15795, 41397, 68995, 124191, 179387, 206985, 372573, 538161, 620955, 896935, 1117719, 1614483, 1862865, 2690805, 3353157, 4843449, 5588595, 8072415, 14530347, 16765785, 24217245, 43591041, 72651735, 217955205]

約数ペア:

[(1, 217955205), (3, 72651735), (5, 43591041), (9, 24217245), (13, 16765785), (15, 14530347), (27, 8072415), (39, 5588595), (45, 4843449), (65, 3353157), (81, 2690805), (117, 1862865), (135, 1614483), (195, 1117719), (243, 896935), (351, 620955), (405, 538161), (585, 372573), (1053, 206985), (1215, 179387), (1755, 124191), (3159, 68995), (5265, 41397), (13799, 15795)]