22178115

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 41547168

約数和(自身を除く): 19369053

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 53, 85, 153, 159, 255, 265, 477, 547, 765, 795, 901, 1641, 2385, 2703, 2735, 4505, 4923, 8109, 8205, 9299, 13515, 24615, 27897, 28991, 40545, 46495, 83691, 86973, 139485, 144955, 260919, 418455, 434865, 492847, 1304595, 1478541, 2464235, 4435623, 7392705, 22178115]

約数ペア:

[(1, 22178115), (3, 7392705), (5, 4435623), (9, 2464235), (15, 1478541), (17, 1304595), (45, 492847), (51, 434865), (53, 418455), (85, 260919), (153, 144955), (159, 139485), (255, 86973), (265, 83691), (477, 46495), (547, 40545), (765, 28991), (795, 27897), (901, 24615), (1641, 13515), (2385, 9299), (2703, 8205), (2735, 8109), (4505, 4923)]