205122225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3229}}^1$

素因数の和:3271

約数の個数: 72

約数和(自身を含む): 426153280

約数和(自身を除く): 221031055

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 121, 165, 175, 231, 275, 363, 385, 525, 605, 825, 847, 1155, 1815, 1925, 2541, 3025, 3229, 4235, 5775, 9075, 9687, 12705, 16145, 21175, 22603, 35519, 48435, 63525, 67809, 80725, 106557, 113015, 177595, 242175, 248633, 339045, 390709, 532785, 565075, 745899, 887975, 1172127, 1243165, 1695225, 1953545, 2663925, 2734963, 3729495, 5860635, 6215825, 8204889, 9767725, 13674815, 18647475, 29303175, 41024445, 68374075, 205122225]

約数ペア:

[(1, 205122225), (3, 68374075), (5, 41024445), (7, 29303175), (11, 18647475), (15, 13674815), (21, 9767725), (25, 8204889), (33, 6215825), (35, 5860635), (55, 3729495), (75, 2734963), (77, 2663925), (105, 1953545), (121, 1695225), (165, 1243165), (175, 1172127), (231, 887975), (275, 745899), (363, 565075), (385, 532785), (525, 390709), (605, 339045), (825, 248633), (847, 242175), (1155, 177595), (1815, 113015), (1925, 106557), (2541, 80725), (3025, 67809), (3229, 63525), (4235, 48435), (5775, 35519), (9075, 22603), (9687, 21175), (12705, 16145)]