66788325

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:971

約数の個数: 72

約数和(自身を含む): 133473600

約数和(自身を除く): 66685275

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 45, 51, 57, 75, 85, 95, 153, 171, 225, 255, 285, 323, 425, 475, 765, 855, 919, 969, 1275, 1425, 1615, 2757, 2907, 3825, 4275, 4595, 4845, 8075, 8271, 13785, 14535, 15623, 17461, 22975, 24225, 41355, 46869, 52383, 68925, 72675, 78115, 87305, 140607, 157149, 206775, 234345, 261915, 296837, 390575, 436525, 703035, 785745, 890511, 1171725, 1309575, 1484185, 2671533, 3515175, 3928725, 4452555, 7420925, 13357665, 22262775, 66788325]

約数ペア:

[(1, 66788325), (3, 22262775), (5, 13357665), (9, 7420925), (15, 4452555), (17, 3928725), (19, 3515175), (25, 2671533), (45, 1484185), (51, 1309575), (57, 1171725), (75, 890511), (85, 785745), (95, 703035), (153, 436525), (171, 390575), (225, 296837), (255, 261915), (285, 234345), (323, 206775), (425, 157149), (475, 140607), (765, 87305), (855, 78115), (919, 72675), (969, 68925), (1275, 52383), (1425, 46869), (1615, 41355), (2757, 24225), (2907, 22975), (3825, 17461), (4275, 15623), (4595, 14535), (4845, 13785), (8075, 8271)]