218794215

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{4597}}^1$

素因数の和:4791

約数の個数: 32

約数和(自身を含む): 370782720

約数和(自身を除く): 151988505

約数列:

[1, 3, 5, 15, 19, 57, 95, 167, 285, 501, 835, 2505, 3173, 4597, 9519, 13791, 15865, 22985, 47595, 68955, 87343, 262029, 436715, 767699, 1310145, 2303097, 3838495, 11515485, 14586281, 43758843, 72931405, 218794215]

約数ペア:

[(1, 218794215), (3, 72931405), (5, 43758843), (15, 14586281), (19, 11515485), (57, 3838495), (95, 2303097), (167, 1310145), (285, 767699), (501, 436715), (835, 262029), (2505, 87343), (3173, 68955), (4597, 47595), (9519, 22985), (13791, 15865)]