208030725

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{18869}}^1$

素因数の和:18899

約数の個数: 54

約数和(自身を含む): 433462770

約数和(自身を除く): 225432045

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 245, 315, 441, 525, 735, 1225, 1575, 2205, 3675, 11025, 18869, 56607, 94345, 132083, 169821, 283035, 396249, 471725, 660415, 849105, 924581, 1188747, 1415175, 1981245, 2773743, 3302075, 4245525, 4622905, 5943735, 8321229, 9906225, 13868715, 23114525, 29718675, 41606145, 69343575, 208030725]

約数ペア:

[(1, 208030725), (3, 69343575), (5, 41606145), (7, 29718675), (9, 23114525), (15, 13868715), (21, 9906225), (25, 8321229), (35, 5943735), (45, 4622905), (49, 4245525), (63, 3302075), (75, 2773743), (105, 1981245), (147, 1415175), (175, 1188747), (225, 924581), (245, 849105), (315, 660415), (441, 471725), (525, 396249), (735, 283035), (1225, 169821), (1575, 132083), (2205, 94345), (3675, 56607), (11025, 18869)]