31476825

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 61256000

約数和(自身を除く): 29779175

約数列:

[1, 3, 5, 9, 15, 19, 25, 37, 45, 57, 75, 95, 111, 171, 185, 199, 225, 285, 333, 475, 555, 597, 703, 855, 925, 995, 1425, 1665, 1791, 2109, 2775, 2985, 3515, 3781, 4275, 4975, 6327, 7363, 8325, 8955, 10545, 11343, 14925, 17575, 18905, 22089, 31635, 34029, 36815, 44775, 52725, 56715, 66267, 94525, 110445, 139897, 158175, 170145, 184075, 283575, 331335, 419691, 552225, 699485, 850725, 1259073, 1656675, 2098455, 3497425, 6295365, 10492275, 31476825]

約数ペア:

[(1, 31476825), (3, 10492275), (5, 6295365), (9, 3497425), (15, 2098455), (19, 1656675), (25, 1259073), (37, 850725), (45, 699485), (57, 552225), (75, 419691), (95, 331335), (111, 283575), (171, 184075), (185, 170145), (199, 158175), (225, 139897), (285, 110445), (333, 94525), (475, 66267), (555, 56715), (597, 52725), (703, 44775), (855, 36815), (925, 34029), (995, 31635), (1425, 22089), (1665, 18905), (1791, 17575), (2109, 14925), (2775, 11343), (2985, 10545), (3515, 8955), (3781, 8325), (4275, 7363), (4975, 6327)]