128875215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 260296704

約数和(自身を除く): 131421489

約数列:

[1, 3, 5, 7, 15, 17, 21, 31, 35, 51, 85, 93, 105, 119, 137, 155, 217, 255, 289, 357, 411, 465, 527, 595, 651, 685, 867, 959, 1085, 1445, 1581, 1785, 2023, 2055, 2329, 2635, 2877, 3255, 3689, 4247, 4335, 4795, 6069, 6987, 7905, 8959, 10115, 11067, 11645, 12741, 14385, 16303, 18445, 21235, 26877, 29729, 30345, 34935, 39593, 44795, 48909, 55335, 62713, 63705, 72199, 81515, 89187, 118779, 134385, 148645, 188139, 197965, 216597, 244545, 277151, 313565, 360995, 445935, 505393, 593895, 831453, 940695, 1082985, 1227383, 1385755, 1516179, 2526965, 3682149, 4157265, 6136915, 7580895, 8591681, 18410745, 25775043, 42958405, 128875215]

約数ペア:

[(1, 128875215), (3, 42958405), (5, 25775043), (7, 18410745), (15, 8591681), (17, 7580895), (21, 6136915), (31, 4157265), (35, 3682149), (51, 2526965), (85, 1516179), (93, 1385755), (105, 1227383), (119, 1082985), (137, 940695), (155, 831453), (217, 593895), (255, 505393), (289, 445935), (357, 360995), (411, 313565), (465, 277151), (527, 244545), (595, 216597), (651, 197965), (685, 188139), (867, 148645), (959, 134385), (1085, 118779), (1445, 89187), (1581, 81515), (1785, 72199), (2023, 63705), (2055, 62713), (2329, 55335), (2635, 48909), (2877, 44795), (3255, 39593), (3689, 34935), (4247, 30345), (4335, 29729), (4795, 26877), (6069, 21235), (6987, 18445), (7905, 16303), (8959, 14385), (10115, 12741), (11067, 11645)]