772621425

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1373}}^1$

素因数の和:1491

約数の個数: 72

約数和(自身を含む): 1441892088

約数和(自身を除く): 669270663

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 61, 75, 123, 183, 205, 225, 305, 369, 549, 615, 915, 1025, 1373, 1525, 1845, 2501, 2745, 3075, 4119, 4575, 6865, 7503, 9225, 12357, 12505, 13725, 20595, 22509, 34325, 37515, 56293, 61785, 62525, 83753, 102975, 112545, 168879, 187575, 251259, 281465, 308925, 418765, 506637, 562725, 753777, 844395, 1256295, 1407325, 2093825, 2533185, 3433873, 3768885, 4221975, 6281475, 10301619, 12665925, 17169365, 18844425, 30904857, 51508095, 85846825, 154524285, 257540475, 772621425]

約数ペア:

[(1, 772621425), (3, 257540475), (5, 154524285), (9, 85846825), (15, 51508095), (25, 30904857), (41, 18844425), (45, 17169365), (61, 12665925), (75, 10301619), (123, 6281475), (183, 4221975), (205, 3768885), (225, 3433873), (305, 2533185), (369, 2093825), (549, 1407325), (615, 1256295), (915, 844395), (1025, 753777), (1373, 562725), (1525, 506637), (1845, 418765), (2501, 308925), (2745, 281465), (3075, 251259), (4119, 187575), (4575, 168879), (6865, 112545), (7503, 102975), (9225, 83753), (12357, 62525), (12505, 61785), (13725, 56293), (20595, 37515), (22509, 34325)]