28502421

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 42311808

約数和(自身を除く): 13809387

約数列:

[1, 3, 17, 41, 43, 51, 123, 129, 317, 697, 731, 951, 1763, 2091, 2193, 5289, 5389, 12997, 13631, 16167, 29971, 38991, 40893, 89913, 220949, 231727, 558871, 662847, 695181, 1676613, 9500807, 28502421]

約数ペア:

[(1, 28502421), (3, 9500807), (17, 1676613), (41, 695181), (43, 662847), (51, 558871), (123, 231727), (129, 220949), (317, 89913), (697, 40893), (731, 38991), (951, 29971), (1763, 16167), (2091, 13631), (2193, 12997), (5289, 5389)]