7121205

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 15934464

約数和(自身を除く): 8813259

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 37, 39, 45, 47, 63, 65, 91, 105, 111, 117, 141, 185, 195, 235, 259, 273, 315, 329, 333, 423, 455, 481, 555, 585, 611, 705, 777, 819, 987, 1295, 1365, 1443, 1645, 1665, 1739, 1833, 2115, 2331, 2405, 2961, 3055, 3367, 3885, 4095, 4277, 4329, 4935, 5217, 5499, 7215, 8695, 9165, 10101, 11655, 12173, 12831, 14805, 15651, 16835, 21385, 21645, 22607, 26085, 27495, 30303, 36519, 38493, 50505, 60865, 64155, 67821, 78255, 109557, 113035, 151515, 158249, 182595, 192465, 203463, 339105, 474747, 547785, 791245, 1017315, 1424241, 2373735, 7121205]

約数ペア:

[(1, 7121205), (3, 2373735), (5, 1424241), (7, 1017315), (9, 791245), (13, 547785), (15, 474747), (21, 339105), (35, 203463), (37, 192465), (39, 182595), (45, 158249), (47, 151515), (63, 113035), (65, 109557), (91, 78255), (105, 67821), (111, 64155), (117, 60865), (141, 50505), (185, 38493), (195, 36519), (235, 30303), (259, 27495), (273, 26085), (315, 22607), (329, 21645), (333, 21385), (423, 16835), (455, 15651), (481, 14805), (555, 12831), (585, 12173), (611, 11655), (705, 10101), (777, 9165), (819, 8695), (987, 7215), (1295, 5499), (1365, 5217), (1443, 4935), (1645, 4329), (1665, 4277), (1739, 4095), (1833, 3885), (2115, 3367), (2331, 3055), (2405, 2961)]