388956771

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{6131}}^1$

素因数の和:6216

約数の個数: 48

約数和(自身を含む): 688746240

約数和(自身を除く): 299789469

約数列:

[1, 3, 7, 9, 19, 21, 53, 57, 63, 133, 159, 171, 371, 399, 477, 1007, 1113, 1197, 3021, 3339, 6131, 7049, 9063, 18393, 21147, 42917, 55179, 63441, 116489, 128751, 324943, 349467, 386253, 815423, 974829, 1048401, 2274601, 2446269, 2924487, 6173917, 6823803, 7338807, 18521751, 20471409, 43217419, 55565253, 129652257, 388956771]

約数ペア:

[(1, 388956771), (3, 129652257), (7, 55565253), (9, 43217419), (19, 20471409), (21, 18521751), (53, 7338807), (57, 6823803), (63, 6173917), (133, 2924487), (159, 2446269), (171, 2274601), (371, 1048401), (399, 974829), (477, 815423), (1007, 386253), (1113, 349467), (1197, 324943), (3021, 128751), (3339, 116489), (6131, 63441), (7049, 55179), (9063, 42917), (18393, 21147)]