191159997

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 295680000

約数和(自身を除く): 104520003

約数列:

[1, 3, 7, 21, 149, 199, 307, 447, 597, 921, 1043, 1393, 2149, 3129, 4179, 6447, 29651, 45743, 61093, 88953, 137229, 183279, 207557, 320201, 427651, 622671, 960603, 1282953, 9102857, 27308571, 63719999, 191159997]

約数ペア:

[(1, 191159997), (3, 63719999), (7, 27308571), (21, 9102857), (149, 1282953), (199, 960603), (307, 622671), (447, 427651), (597, 320201), (921, 207557), (1043, 183279), (1393, 137229), (2149, 88953), (3129, 61093), (4179, 45743), (6447, 29651)]