42170139

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:142

約数の個数: 80

約数和(自身を含む): 75271680

約数和(自身を除く): 33101541

約数列:

[1, 3, 9, 11, 19, 27, 33, 47, 53, 57, 81, 99, 141, 159, 171, 209, 297, 423, 477, 513, 517, 583, 627, 891, 893, 1007, 1269, 1431, 1539, 1551, 1749, 1881, 2491, 2679, 3021, 3807, 4293, 4653, 5247, 5643, 7473, 8037, 9063, 9823, 11077, 13959, 15741, 16929, 22419, 24111, 27189, 27401, 29469, 33231, 41877, 47223, 47329, 67257, 72333, 81567, 82203, 88407, 99693, 141987, 201771, 246609, 265221, 299079, 425961, 520619, 739827, 795663, 897237, 1277883, 1561857, 2219481, 3833649, 4685571, 14056713, 42170139]

約数ペア:

[(1, 42170139), (3, 14056713), (9, 4685571), (11, 3833649), (19, 2219481), (27, 1561857), (33, 1277883), (47, 897237), (53, 795663), (57, 739827), (81, 520619), (99, 425961), (141, 299079), (159, 265221), (171, 246609), (209, 201771), (297, 141987), (423, 99693), (477, 88407), (513, 82203), (517, 81567), (583, 72333), (627, 67257), (891, 47329), (893, 47223), (1007, 41877), (1269, 33231), (1431, 29469), (1539, 27401), (1551, 27189), (1749, 24111), (1881, 22419), (2491, 16929), (2679, 15741), (3021, 13959), (3807, 11077), (4293, 9823), (4653, 9063), (5247, 8037), (5643, 7473)]