8188335

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 15281760

約数和(自身を除く): 7093425

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 61, 95, 157, 171, 183, 285, 305, 471, 549, 785, 855, 915, 1159, 1413, 2355, 2745, 2983, 3477, 5795, 7065, 8949, 9577, 10431, 14915, 17385, 26847, 28731, 44745, 47885, 52155, 86193, 134235, 143655, 181963, 430965, 545889, 909815, 1637667, 2729445, 8188335]

約数ペア:

[(1, 8188335), (3, 2729445), (5, 1637667), (9, 909815), (15, 545889), (19, 430965), (45, 181963), (57, 143655), (61, 134235), (95, 86193), (157, 52155), (171, 47885), (183, 44745), (285, 28731), (305, 26847), (471, 17385), (549, 14915), (785, 10431), (855, 9577), (915, 8949), (1159, 7065), (1413, 5795), (2355, 3477), (2745, 2983)]