201649791

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{617}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 313251840

約数和(自身を除く): 111602049

約数列:

[1, 3, 7, 21, 79, 197, 237, 553, 591, 617, 1379, 1659, 1851, 4137, 4319, 12957, 15563, 46689, 48743, 108941, 121549, 146229, 326823, 341201, 364647, 850843, 1023603, 2552529, 9602371, 28807113, 67216597, 201649791]

約数ペア:

[(1, 201649791), (3, 67216597), (7, 28807113), (21, 9602371), (79, 2552529), (197, 1023603), (237, 850843), (553, 364647), (591, 341201), (617, 326823), (1379, 146229), (1659, 121549), (1851, 108941), (4137, 48743), (4319, 46689), (12957, 15563)]