201212289

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 331776000

約数和(自身を除く): 130563711

約数列:

[1, 3, 9, 17, 27, 31, 51, 79, 93, 153, 179, 237, 279, 459, 527, 537, 711, 837, 1343, 1581, 1611, 2133, 2449, 3043, 4029, 4743, 4833, 5549, 7347, 9129, 12087, 14141, 14229, 16647, 22041, 27387, 36261, 41633, 42423, 49941, 66123, 82161, 94333, 124899, 127269, 149823, 240397, 282999, 374697, 381807, 438371, 721191, 848997, 1124091, 1315113, 2163573, 2546991, 3945339, 6490719, 7452307, 11836017, 22356921, 67070763, 201212289]

約数ペア:

[(1, 201212289), (3, 67070763), (9, 22356921), (17, 11836017), (27, 7452307), (31, 6490719), (51, 3945339), (79, 2546991), (93, 2163573), (153, 1315113), (179, 1124091), (237, 848997), (279, 721191), (459, 438371), (527, 381807), (537, 374697), (711, 282999), (837, 240397), (1343, 149823), (1581, 127269), (1611, 124899), (2133, 94333), (2449, 82161), (3043, 66123), (4029, 49941), (4743, 42423), (4833, 41633), (5549, 36261), (7347, 27387), (9129, 22041), (12087, 16647), (14141, 14229)]