74285991

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 80

約数和(自身を含む): 130099200

約数和(自身を除く): 55813209

約数列:

[1, 3, 9, 13, 19, 27, 39, 47, 57, 79, 81, 117, 141, 171, 237, 247, 351, 423, 513, 611, 711, 741, 893, 1027, 1053, 1269, 1501, 1539, 1833, 2133, 2223, 2679, 3081, 3713, 3807, 4503, 5499, 6399, 6669, 8037, 9243, 11139, 11609, 13509, 16497, 19513, 20007, 24111, 27729, 33417, 34827, 40527, 48269, 49491, 58539, 70547, 72333, 83187, 100251, 104481, 121581, 144807, 175617, 211641, 300753, 313443, 434421, 526851, 634923, 917111, 940329, 1303263, 1580553, 1904769, 2751333, 3909789, 5714307, 8253999, 24761997, 74285991]

約数ペア:

[(1, 74285991), (3, 24761997), (9, 8253999), (13, 5714307), (19, 3909789), (27, 2751333), (39, 1904769), (47, 1580553), (57, 1303263), (79, 940329), (81, 917111), (117, 634923), (141, 526851), (171, 434421), (237, 313443), (247, 300753), (351, 211641), (423, 175617), (513, 144807), (611, 121581), (711, 104481), (741, 100251), (893, 83187), (1027, 72333), (1053, 70547), (1269, 58539), (1501, 49491), (1539, 48269), (1833, 40527), (2133, 34827), (2223, 33417), (2679, 27729), (3081, 24111), (3713, 20007), (3807, 19513), (4503, 16497), (5499, 13509), (6399, 11609), (6669, 11139), (8037, 9243)]