25297377

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 42550272

約数和(自身を除く): 17252895

約数列:

[1, 3, 7, 17, 21, 49, 51, 53, 119, 147, 159, 191, 357, 371, 573, 833, 901, 1113, 1337, 2499, 2597, 2703, 3247, 4011, 6307, 7791, 9359, 9741, 10123, 18921, 22729, 28077, 30369, 44149, 68187, 70861, 132447, 159103, 172091, 212583, 477309, 496027, 516273, 1204637, 1488081, 3613911, 8432459, 25297377]

約数ペア:

[(1, 25297377), (3, 8432459), (7, 3613911), (17, 1488081), (21, 1204637), (49, 516273), (51, 496027), (53, 477309), (119, 212583), (147, 172091), (159, 159103), (191, 132447), (357, 70861), (371, 68187), (573, 44149), (833, 30369), (901, 28077), (1113, 22729), (1337, 18921), (2499, 10123), (2597, 9741), (2703, 9359), (3247, 7791), (4011, 6307)]