74647575

素因数分解:

$3^4\times 5^2\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:406

約数の個数: 60

約数和(自身を含む): 139717248

約数和(自身を除く): 65069673

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 191, 193, 225, 405, 573, 579, 675, 955, 965, 1719, 1737, 2025, 2865, 2895, 4775, 4825, 5157, 5211, 8595, 8685, 14325, 14475, 15471, 15633, 25785, 26055, 36863, 42975, 43425, 77355, 78165, 110589, 128925, 130275, 184315, 331767, 386775, 390825, 552945, 921575, 995301, 1658835, 2764725, 2985903, 4976505, 8294175, 14929515, 24882525, 74647575]

約数ペア:

[(1, 74647575), (3, 24882525), (5, 14929515), (9, 8294175), (15, 4976505), (25, 2985903), (27, 2764725), (45, 1658835), (75, 995301), (81, 921575), (135, 552945), (191, 390825), (193, 386775), (225, 331767), (405, 184315), (573, 130275), (579, 128925), (675, 110589), (955, 78165), (965, 77355), (1719, 43425), (1737, 42975), (2025, 36863), (2865, 26055), (2895, 25785), (4775, 15633), (4825, 15471), (5157, 14475), (5211, 14325), (8595, 8685)]