30790725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 58662912

約数和(自身を除く): 27872187

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 223, 263, 525, 669, 789, 1115, 1315, 1561, 1841, 3345, 3945, 4683, 5523, 5575, 6575, 7805, 9205, 16725, 19725, 23415, 27615, 39025, 46025, 58649, 117075, 138075, 175947, 293245, 410543, 879735, 1231629, 1466225, 2052715, 4398675, 6158145, 10263575, 30790725]

約数ペア:

[(1, 30790725), (3, 10263575), (5, 6158145), (7, 4398675), (15, 2052715), (21, 1466225), (25, 1231629), (35, 879735), (75, 410543), (105, 293245), (175, 175947), (223, 138075), (263, 117075), (525, 58649), (669, 46025), (789, 39025), (1115, 27615), (1315, 23415), (1561, 19725), (1841, 16725), (3345, 9205), (3945, 7805), (4683, 6575), (5523, 5575)]