245084427

素因数分解:

$3^3\times 7^2\times {\mathrm{17}}^2\times {\mathrm{641}}^1$

素因数の和:698

約数の個数: 72

約数和(自身を含む): 449374320

約数和(自身を除く): 204289893

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 119, 147, 153, 189, 289, 357, 441, 459, 641, 833, 867, 1071, 1323, 1923, 2023, 2499, 2601, 3213, 4487, 5769, 6069, 7497, 7803, 10897, 13461, 14161, 17307, 18207, 22491, 31409, 32691, 40383, 42483, 54621, 76279, 94227, 98073, 121149, 127449, 185249, 228837, 282681, 294219, 382347, 533953, 555747, 686511, 848043, 1296743, 1601859, 1667241, 2059533, 3890229, 4805577, 5001723, 9077201, 11670687, 14416731, 27231603, 35012061, 81694809, 245084427]

約数ペア:

[(1, 245084427), (3, 81694809), (7, 35012061), (9, 27231603), (17, 14416731), (21, 11670687), (27, 9077201), (49, 5001723), (51, 4805577), (63, 3890229), (119, 2059533), (147, 1667241), (153, 1601859), (189, 1296743), (289, 848043), (357, 686511), (441, 555747), (459, 533953), (641, 382347), (833, 294219), (867, 282681), (1071, 228837), (1323, 185249), (1923, 127449), (2023, 121149), (2499, 98073), (2601, 94227), (3213, 76279), (4487, 54621), (5769, 42483), (6069, 40383), (7497, 32691), (7803, 31409), (10897, 22491), (13461, 18207), (14161, 17307)]