216186561

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 334152000

約数和(自身を除く): 117965439

約数列:

[1, 3, 9, 29, 59, 87, 101, 139, 177, 261, 303, 417, 531, 909, 1251, 1711, 2929, 4031, 5133, 5959, 8201, 8787, 12093, 14039, 15399, 17877, 24603, 26361, 36279, 42117, 53631, 73809, 126351, 172811, 237829, 407131, 518433, 713487, 828301, 1221393, 1555299, 2140461, 2484903, 3664179, 7454709, 24020729, 72062187, 216186561]

約数ペア:

[(1, 216186561), (3, 72062187), (9, 24020729), (29, 7454709), (59, 3664179), (87, 2484903), (101, 2140461), (139, 1555299), (177, 1221393), (261, 828301), (303, 713487), (417, 518433), (531, 407131), (909, 237829), (1251, 172811), (1711, 126351), (2929, 73809), (4031, 53631), (5133, 42117), (5959, 36279), (8201, 26361), (8787, 24603), (12093, 17877), (14039, 15399)]