149748975

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1523}}^1$

素因数の和:1581

約数の個数: 72

約数和(自身を含む): 294802560

約数和(自身を除く): 145053585

約数列:

[1, 3, 5, 9, 15, 19, 23, 25, 45, 57, 69, 75, 95, 115, 171, 207, 225, 285, 345, 437, 475, 575, 855, 1035, 1311, 1425, 1523, 1725, 2185, 3933, 4275, 4569, 5175, 6555, 7615, 10925, 13707, 19665, 22845, 28937, 32775, 35029, 38075, 68535, 86811, 98325, 105087, 114225, 144685, 175145, 260433, 315261, 342675, 434055, 525435, 665551, 723425, 875725, 1302165, 1576305, 1996653, 2170275, 2627175, 3327755, 5989959, 6510825, 7881525, 9983265, 16638775, 29949795, 49916325, 149748975]

約数ペア:

[(1, 149748975), (3, 49916325), (5, 29949795), (9, 16638775), (15, 9983265), (19, 7881525), (23, 6510825), (25, 5989959), (45, 3327755), (57, 2627175), (69, 2170275), (75, 1996653), (95, 1576305), (115, 1302165), (171, 875725), (207, 723425), (225, 665551), (285, 525435), (345, 434055), (437, 342675), (475, 315261), (575, 260433), (855, 175145), (1035, 144685), (1311, 114225), (1425, 105087), (1523, 98325), (1725, 86811), (2185, 68535), (3933, 38075), (4275, 35029), (4569, 32775), (5175, 28937), (6555, 22845), (7615, 19665), (10925, 13707)]