201721365

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{317}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 357177600

約数和(自身を除く): 155456235

約数列:

[1, 3, 5, 9, 15, 45, 79, 179, 237, 317, 395, 537, 711, 895, 951, 1185, 1585, 1611, 2685, 2853, 3555, 4755, 8055, 14141, 14265, 25043, 42423, 56743, 70705, 75129, 125215, 127269, 170229, 212115, 225387, 283715, 375645, 510687, 636345, 851145, 1126935, 2553435, 4482697, 13448091, 22413485, 40344273, 67240455, 201721365]

約数ペア:

[(1, 201721365), (3, 67240455), (5, 40344273), (9, 22413485), (15, 13448091), (45, 4482697), (79, 2553435), (179, 1126935), (237, 851145), (317, 636345), (395, 510687), (537, 375645), (711, 283715), (895, 225387), (951, 212115), (1185, 170229), (1585, 127269), (1611, 125215), (2685, 75129), (2853, 70705), (3555, 56743), (4755, 42423), (8055, 25043), (14141, 14265)]