40906719

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 74337120

約数和(自身を除く): 33430401

約数列:

[1, 3, 7, 9, 21, 23, 37, 49, 63, 69, 109, 111, 147, 161, 207, 259, 327, 333, 441, 483, 763, 777, 851, 981, 1127, 1449, 1813, 2289, 2331, 2507, 2553, 3381, 4033, 5341, 5439, 5957, 6867, 7521, 7659, 10143, 12099, 16023, 16317, 17549, 17871, 22563, 28231, 36297, 41699, 48069, 52647, 53613, 84693, 92759, 122843, 125097, 157941, 197617, 254079, 278277, 368529, 375291, 592851, 649313, 834831, 1105587, 1778553, 1947939, 4545191, 5843817, 13635573, 40906719]

約数ペア:

[(1, 40906719), (3, 13635573), (7, 5843817), (9, 4545191), (21, 1947939), (23, 1778553), (37, 1105587), (49, 834831), (63, 649313), (69, 592851), (109, 375291), (111, 368529), (147, 278277), (161, 254079), (207, 197617), (259, 157941), (327, 125097), (333, 122843), (441, 92759), (483, 84693), (763, 53613), (777, 52647), (851, 48069), (981, 41699), (1127, 36297), (1449, 28231), (1813, 22563), (2289, 17871), (2331, 17549), (2507, 16317), (2553, 16023), (3381, 12099), (4033, 10143), (5341, 7659), (5439, 7521), (5957, 6867)]