490690809

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{853}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 848370432

約数和(自身を除く): 357679623

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 397, 483, 853, 1191, 1449, 2559, 2779, 3573, 5971, 7677, 8337, 9131, 17913, 19619, 25011, 27393, 53739, 58857, 63917, 82179, 137333, 176571, 191751, 338641, 411999, 575253, 1015923, 1235997, 2370487, 3047769, 7111461, 7788743, 21334383, 23366229, 54521201, 70098687, 163563603, 490690809]

約数ペア:

[(1, 490690809), (3, 163563603), (7, 70098687), (9, 54521201), (21, 23366229), (23, 21334383), (63, 7788743), (69, 7111461), (161, 3047769), (207, 2370487), (397, 1235997), (483, 1015923), (853, 575253), (1191, 411999), (1449, 338641), (2559, 191751), (2779, 176571), (3573, 137333), (5971, 82179), (7677, 63917), (8337, 58857), (9131, 53739), (17913, 27393), (19619, 25011)]