18557115

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1193}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 31980096

約数和(自身を除く): 13422981

約数列:

[1, 3, 5, 15, 17, 51, 61, 85, 183, 255, 305, 915, 1037, 1193, 3111, 3579, 5185, 5965, 15555, 17895, 20281, 60843, 72773, 101405, 218319, 304215, 363865, 1091595, 1237141, 3711423, 6185705, 18557115]

約数ペア:

[(1, 18557115), (3, 6185705), (5, 3711423), (15, 1237141), (17, 1091595), (51, 363865), (61, 304215), (85, 218319), (183, 101405), (255, 72773), (305, 60843), (915, 20281), (1037, 17895), (1193, 15555), (3111, 5965), (3579, 5185)]