398401713

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{167}}^1\times {\mathrm{593}}^1$

素因数の和:918

約数の個数: 32

約数和(自身を含む): 598752000

約数和(自身を除く): 200350287

約数列:

[1, 3, 9, 27, 149, 167, 447, 501, 593, 1341, 1503, 1779, 4023, 4509, 5337, 16011, 24883, 74649, 88357, 99031, 223947, 265071, 297093, 671841, 795213, 891279, 2385639, 2673837, 14755619, 44266857, 132800571, 398401713]

約数ペア:

[(1, 398401713), (3, 132800571), (9, 44266857), (27, 14755619), (149, 2673837), (167, 2385639), (447, 891279), (501, 795213), (593, 671841), (1341, 297093), (1503, 265071), (1779, 223947), (4023, 99031), (4509, 88357), (5337, 74649), (16011, 24883)]