217804533

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{503}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 308883456

約数和(自身を除く): 91078923

約数列:

[1, 3, 37, 47, 83, 111, 141, 249, 503, 1509, 1739, 3071, 3901, 5217, 9213, 11703, 18611, 23641, 41749, 55833, 70923, 125247, 144337, 433011, 874717, 1544713, 1962203, 2624151, 4634139, 5886609, 72601511, 217804533]

約数ペア:

[(1, 217804533), (3, 72601511), (37, 5886609), (47, 4634139), (83, 2624151), (111, 1962203), (141, 1544713), (249, 874717), (503, 433011), (1509, 144337), (1739, 125247), (3071, 70923), (3901, 55833), (5217, 41749), (9213, 23641), (11703, 18611)]