71904645

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 144412800

約数和(自身を除く): 72508155

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 85, 95, 97, 135, 153, 171, 255, 285, 289, 291, 323, 459, 485, 513, 765, 855, 867, 873, 969, 1445, 1455, 1615, 1649, 1843, 2295, 2565, 2601, 2619, 2907, 4335, 4365, 4845, 4947, 5491, 5529, 7803, 8245, 8721, 9215, 13005, 13095, 14535, 14841, 16473, 16587, 24735, 27455, 27645, 28033, 31331, 39015, 43605, 44523, 49419, 49761, 74205, 82365, 82935, 84099, 93993, 140165, 148257, 156655, 222615, 247095, 248805, 252297, 281979, 420495, 469965, 532627, 741285, 756891, 845937, 1261485, 1409895, 1597881, 2663135, 3784455, 4229685, 4793643, 7989405, 14380929, 23968215, 71904645]

約数ペア:

[(1, 71904645), (3, 23968215), (5, 14380929), (9, 7989405), (15, 4793643), (17, 4229685), (19, 3784455), (27, 2663135), (45, 1597881), (51, 1409895), (57, 1261485), (85, 845937), (95, 756891), (97, 741285), (135, 532627), (153, 469965), (171, 420495), (255, 281979), (285, 252297), (289, 248805), (291, 247095), (323, 222615), (459, 156655), (485, 148257), (513, 140165), (765, 93993), (855, 84099), (867, 82935), (873, 82365), (969, 74205), (1445, 49761), (1455, 49419), (1615, 44523), (1649, 43605), (1843, 39015), (2295, 31331), (2565, 28033), (2601, 27645), (2619, 27455), (2907, 24735), (4335, 16587), (4365, 16473), (4845, 14841), (4947, 14535), (5491, 13095), (5529, 13005), (7803, 9215), (8245, 8721)]