128805957

素因数分解:

$3^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:149

約数の個数: 120

約数和(自身を含む): 250278336

約数和(自身を除く): 121472379

約数列:

[1, 3, 7, 9, 17, 21, 23, 27, 49, 51, 63, 69, 81, 83, 119, 147, 153, 161, 189, 207, 249, 357, 391, 441, 459, 483, 567, 581, 621, 747, 833, 1071, 1127, 1173, 1323, 1377, 1411, 1449, 1743, 1863, 1909, 2241, 2499, 2737, 3213, 3381, 3519, 3969, 4067, 4233, 4347, 5229, 5727, 6723, 7497, 8211, 9639, 9877, 10143, 10557, 12201, 12699, 13041, 13363, 15687, 17181, 19159, 22491, 24633, 29631, 30429, 31671, 32453, 36603, 38097, 40089, 47061, 51543, 57477, 67473, 69139, 73899, 88893, 91287, 93541, 97359, 109809, 114291, 120267, 154629, 172431, 207417, 221697, 227171, 266679, 280623, 292077, 329427, 360801, 517293, 622251, 681513, 800037, 841869, 876231, 1082403, 1551879, 1590197, 1866753, 2044539, 2525607, 2628693, 4770591, 5600259, 6133617, 7576821, 14311773, 18400851, 42935319, 128805957]

約数ペア:

[(1, 128805957), (3, 42935319), (7, 18400851), (9, 14311773), (17, 7576821), (21, 6133617), (23, 5600259), (27, 4770591), (49, 2628693), (51, 2525607), (63, 2044539), (69, 1866753), (81, 1590197), (83, 1551879), (119, 1082403), (147, 876231), (153, 841869), (161, 800037), (189, 681513), (207, 622251), (249, 517293), (357, 360801), (391, 329427), (441, 292077), (459, 280623), (483, 266679), (567, 227171), (581, 221697), (621, 207417), (747, 172431), (833, 154629), (1071, 120267), (1127, 114291), (1173, 109809), (1323, 97359), (1377, 93541), (1411, 91287), (1449, 88893), (1743, 73899), (1863, 69139), (1909, 67473), (2241, 57477), (2499, 51543), (2737, 47061), (3213, 40089), (3381, 38097), (3519, 36603), (3969, 32453), (4067, 31671), (4233, 30429), (4347, 29631), (5229, 24633), (5727, 22491), (6723, 19159), (7497, 17181), (8211, 15687), (9639, 13363), (9877, 13041), (10143, 12699), (10557, 12201)]