76870521

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1997}}^1$

素因数の和:2070

約数の個数: 48

約数和(自身を含む): 139636224

約数和(自身を除く): 62765703

約数列:

[1, 3, 7, 9, 13, 21, 39, 47, 63, 91, 117, 141, 273, 329, 423, 611, 819, 987, 1833, 1997, 2961, 4277, 5499, 5991, 12831, 13979, 17973, 25961, 38493, 41937, 77883, 93859, 125811, 181727, 233649, 281577, 545181, 657013, 844731, 1220167, 1635543, 1971039, 3660501, 5913117, 8541169, 10981503, 25623507, 76870521]

約数ペア:

[(1, 76870521), (3, 25623507), (7, 10981503), (9, 8541169), (13, 5913117), (21, 3660501), (39, 1971039), (47, 1635543), (63, 1220167), (91, 844731), (117, 657013), (141, 545181), (273, 281577), (329, 233649), (423, 181727), (611, 125811), (819, 93859), (987, 77883), (1833, 41937), (1997, 38493), (2961, 25961), (4277, 17973), (5499, 13979), (5991, 12831)]