128173815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:621

約数の個数: 96

約数和(自身を含む): 281428992

約数和(自身を除く): 153255177

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 71, 77, 99, 105, 165, 213, 231, 315, 355, 385, 495, 497, 521, 639, 693, 781, 1065, 1155, 1491, 1563, 2343, 2485, 2605, 3195, 3465, 3647, 3905, 4473, 4689, 5467, 5731, 7029, 7455, 7815, 10941, 11715, 16401, 17193, 18235, 22365, 23445, 27335, 28655, 32823, 35145, 36991, 40117, 49203, 51579, 54705, 82005, 85965, 110973, 120351, 164115, 184955, 200585, 246015, 257895, 258937, 332919, 361053, 406901, 554865, 601755, 776811, 1220703, 1294685, 1664595, 1805265, 2034505, 2330433, 2848307, 3662109, 3884055, 6103515, 8544921, 11652165, 14241535, 18310545, 25634763, 42724605, 128173815]

約数ペア:

[(1, 128173815), (3, 42724605), (5, 25634763), (7, 18310545), (9, 14241535), (11, 11652165), (15, 8544921), (21, 6103515), (33, 3884055), (35, 3662109), (45, 2848307), (55, 2330433), (63, 2034505), (71, 1805265), (77, 1664595), (99, 1294685), (105, 1220703), (165, 776811), (213, 601755), (231, 554865), (315, 406901), (355, 361053), (385, 332919), (495, 258937), (497, 257895), (521, 246015), (639, 200585), (693, 184955), (781, 164115), (1065, 120351), (1155, 110973), (1491, 85965), (1563, 82005), (2343, 54705), (2485, 51579), (2605, 49203), (3195, 40117), (3465, 36991), (3647, 35145), (3905, 32823), (4473, 28655), (4689, 27335), (5467, 23445), (5731, 22365), (7029, 18235), (7455, 17193), (7815, 16401), (10941, 11715)]