1995953841

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 3457688832

約数和(自身を除く): 1461734991

約数列:

[1, 3, 7, 9, 21, 41, 47, 63, 123, 141, 287, 329, 369, 401, 423, 861, 987, 1203, 1681, 1927, 2583, 2807, 2961, 3609, 5043, 5781, 8421, 11767, 13489, 15129, 16441, 17343, 18847, 25263, 35301, 40467, 49323, 56541, 79007, 105903, 115087, 121401, 131929, 147969, 169623, 237021, 345261, 395787, 553049, 674081, 711063, 772727, 1035783, 1187361, 1659147, 2022243, 2318181, 4718567, 4977441, 5409089, 6066729, 6954543, 14155701, 16227267, 31681807, 42467103, 48681801, 95045421, 221772649, 285136263, 665317947, 1995953841]

約数ペア:

[(1, 1995953841), (3, 665317947), (7, 285136263), (9, 221772649), (21, 95045421), (41, 48681801), (47, 42467103), (63, 31681807), (123, 16227267), (141, 14155701), (287, 6954543), (329, 6066729), (369, 5409089), (401, 4977441), (423, 4718567), (861, 2318181), (987, 2022243), (1203, 1659147), (1681, 1187361), (1927, 1035783), (2583, 772727), (2807, 711063), (2961, 674081), (3609, 553049), (5043, 395787), (5781, 345261), (8421, 237021), (11767, 169623), (13489, 147969), (15129, 131929), (16441, 121401), (17343, 115087), (18847, 105903), (25263, 79007), (35301, 56541), (40467, 49323)]