210914685

素因数分解:

$3^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1237}}^1$

素因数の和:1675

約数の個数: 40

約数和(自身を含む): 379288536

約数和(自身を除く): 168373851

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 421, 1237, 1263, 2105, 3711, 3789, 6185, 6315, 11133, 11367, 18555, 18945, 33399, 34101, 55665, 56835, 100197, 166995, 170505, 500985, 520777, 1562331, 2603885, 4686993, 7811655, 14060979, 23434965, 42182937, 70304895, 210914685]

約数ペア:

[(1, 210914685), (3, 70304895), (5, 42182937), (9, 23434965), (15, 14060979), (27, 7811655), (45, 4686993), (81, 2603885), (135, 1562331), (405, 520777), (421, 500985), (1237, 170505), (1263, 166995), (2105, 100197), (3711, 56835), (3789, 55665), (6185, 34101), (6315, 33399), (11133, 18945), (11367, 18555)]