538528515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{12919}}^1$

素因数の和:13331

約数の個数: 32

約数和(自身を含む): 987294720

約数和(自身を除く): 448766205

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 397, 1191, 1985, 2779, 5955, 8337, 12919, 13895, 38757, 41685, 64595, 90433, 193785, 271299, 452165, 1356495, 5128843, 15386529, 25644215, 35901901, 76932645, 107705703, 179509505, 538528515]

約数ペア:

[(1, 538528515), (3, 179509505), (5, 107705703), (7, 76932645), (15, 35901901), (21, 25644215), (35, 15386529), (105, 5128843), (397, 1356495), (1191, 452165), (1985, 271299), (2779, 193785), (5955, 90433), (8337, 64595), (12919, 41685), (13895, 38757)]