218701905

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{3617}}^1$

素因数の和:3793

約数の個数: 32

約数和(自身を含む): 364694400

約数和(自身を除く): 145992495

約数列:

[1, 3, 5, 15, 29, 87, 139, 145, 417, 435, 695, 2085, 3617, 4031, 10851, 12093, 18085, 20155, 54255, 60465, 104893, 314679, 502763, 524465, 1508289, 1573395, 2513815, 7541445, 14580127, 43740381, 72900635, 218701905]

約数ペア:

[(1, 218701905), (3, 72900635), (5, 43740381), (15, 14580127), (29, 7541445), (87, 2513815), (139, 1573395), (145, 1508289), (417, 524465), (435, 502763), (695, 314679), (2085, 104893), (3617, 60465), (4031, 54255), (10851, 20155), (12093, 18085)]