209933997

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 349603200

約数和(自身を除く): 139669203

約数列:

[1, 3, 7, 13, 21, 39, 91, 149, 169, 273, 397, 447, 507, 1043, 1183, 1191, 1937, 2779, 3129, 3549, 5161, 5811, 8337, 13559, 15483, 25181, 36127, 40677, 59153, 67093, 75543, 108381, 176267, 177459, 201279, 414071, 469651, 528801, 768989, 1242213, 1408953, 2306967, 5382923, 9996857, 16148769, 29990571, 69977999, 209933997]

約数ペア:

[(1, 209933997), (3, 69977999), (7, 29990571), (13, 16148769), (21, 9996857), (39, 5382923), (91, 2306967), (149, 1408953), (169, 1242213), (273, 768989), (397, 528801), (447, 469651), (507, 414071), (1043, 201279), (1183, 177459), (1191, 176267), (1937, 108381), (2779, 75543), (3129, 67093), (3549, 59153), (5161, 40677), (5811, 36127), (8337, 25181), (13559, 15483)]