31020408

素因数分解:

$2^3\times 3^9\times {\mathrm{197}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 87686280

約数和(自身を除く): 56665872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 197, 216, 243, 324, 394, 486, 591, 648, 729, 788, 972, 1182, 1458, 1576, 1773, 1944, 2187, 2364, 2916, 3546, 4374, 4728, 5319, 5832, 6561, 7092, 8748, 10638, 13122, 14184, 15957, 17496, 19683, 21276, 26244, 31914, 39366, 42552, 47871, 52488, 63828, 78732, 95742, 127656, 143613, 157464, 191484, 287226, 382968, 430839, 574452, 861678, 1148904, 1292517, 1723356, 2585034, 3446712, 3877551, 5170068, 7755102, 10340136, 15510204, 31020408]

約数ペア:

[(1, 31020408), (2, 15510204), (3, 10340136), (4, 7755102), (6, 5170068), (8, 3877551), (9, 3446712), (12, 2585034), (18, 1723356), (24, 1292517), (27, 1148904), (36, 861678), (54, 574452), (72, 430839), (81, 382968), (108, 287226), (162, 191484), (197, 157464), (216, 143613), (243, 127656), (324, 95742), (394, 78732), (486, 63828), (591, 52488), (648, 47871), (729, 42552), (788, 39366), (972, 31914), (1182, 26244), (1458, 21276), (1576, 19683), (1773, 17496), (1944, 15957), (2187, 14184), (2364, 13122), (2916, 10638), (3546, 8748), (4374, 7092), (4728, 6561), (5319, 5832)]