129644925

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{21881}}^1$

素因数の和:21973

約数の個数: 24

約数和(自身を含む): 217069440

約数和(自身を除く): 87424515

約数列:

[1, 3, 5, 15, 25, 75, 79, 237, 395, 1185, 1975, 5925, 21881, 65643, 109405, 328215, 547025, 1641075, 1728599, 5185797, 8642995, 25928985, 43214975, 129644925]

約数ペア:

[(1, 129644925), (3, 43214975), (5, 25928985), (15, 8642995), (25, 5185797), (75, 1728599), (79, 1641075), (237, 547025), (395, 328215), (1185, 109405), (1975, 65643), (5925, 21881)]