29821473

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 51609600

約数和(自身を除く): 21788127

約数列:

[1, 3, 9, 11, 27, 31, 33, 41, 79, 93, 99, 123, 237, 279, 297, 341, 369, 451, 711, 837, 869, 1023, 1107, 1271, 1353, 2133, 2449, 2607, 3069, 3239, 3813, 4059, 7347, 7821, 9207, 9717, 11439, 12177, 13981, 22041, 23463, 26939, 29151, 34317, 35629, 41943, 66123, 80817, 87453, 100409, 106887, 125829, 242451, 301227, 320661, 377487, 727353, 903681, 961983, 1104499, 2711043, 3313497, 9940491, 29821473]

約数ペア:

[(1, 29821473), (3, 9940491), (9, 3313497), (11, 2711043), (27, 1104499), (31, 961983), (33, 903681), (41, 727353), (79, 377487), (93, 320661), (99, 301227), (123, 242451), (237, 125829), (279, 106887), (297, 100409), (341, 87453), (369, 80817), (451, 66123), (711, 41943), (837, 35629), (869, 34317), (1023, 29151), (1107, 26939), (1271, 23463), (1353, 22041), (2133, 13981), (2449, 12177), (2607, 11439), (3069, 9717), (3239, 9207), (3813, 7821), (4059, 7347)]