202172475

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 343665504

約数和(自身を除く): 141493029

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 181, 265, 281, 543, 795, 843, 905, 1325, 1405, 2715, 3975, 4215, 4525, 7025, 9593, 13575, 14893, 21075, 28779, 44679, 47965, 50861, 74465, 143895, 152583, 223395, 239825, 254305, 372325, 719475, 762915, 1116975, 1271525, 2695633, 3814575, 8086899, 13478165, 40434495, 67390825, 202172475]

約数ペア:

[(1, 202172475), (3, 67390825), (5, 40434495), (15, 13478165), (25, 8086899), (53, 3814575), (75, 2695633), (159, 1271525), (181, 1116975), (265, 762915), (281, 719475), (543, 372325), (795, 254305), (843, 239825), (905, 223395), (1325, 152583), (1405, 143895), (2715, 74465), (3975, 50861), (4215, 47965), (4525, 44679), (7025, 28779), (9593, 21075), (13575, 14893)]