72554559

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 129515520

約数和(自身を除く): 56960961

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 61, 77, 133, 183, 209, 231, 271, 399, 427, 627, 671, 813, 1159, 1281, 1463, 1897, 2013, 2981, 3477, 4389, 4697, 5149, 5691, 8113, 8943, 12749, 14091, 15447, 16531, 20867, 24339, 36043, 38247, 49593, 56639, 62601, 89243, 108129, 115717, 169917, 181841, 267729, 314089, 347151, 396473, 545523, 942267, 1189419, 1272887, 2198623, 3454979, 3818661, 6595869, 10364937, 24184853, 72554559]

約数ペア:

[(1, 72554559), (3, 24184853), (7, 10364937), (11, 6595869), (19, 3818661), (21, 3454979), (33, 2198623), (57, 1272887), (61, 1189419), (77, 942267), (133, 545523), (183, 396473), (209, 347151), (231, 314089), (271, 267729), (399, 181841), (427, 169917), (627, 115717), (671, 108129), (813, 89243), (1159, 62601), (1281, 56639), (1463, 49593), (1897, 38247), (2013, 36043), (2981, 24339), (3477, 20867), (4389, 16531), (4697, 15447), (5149, 14091), (5691, 12749), (8113, 8943)]