72179145

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{15881}}^1$

素因数の和:15993

約数の個数: 24

約数和(自身を含む): 126357192

約数和(自身を除く): 54178047

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 909, 1515, 4545, 15881, 47643, 79405, 142929, 238215, 714645, 1603981, 4811943, 8019905, 14435829, 24059715, 72179145]

約数ペア:

[(1, 72179145), (3, 24059715), (5, 14435829), (9, 8019905), (15, 4811943), (45, 1603981), (101, 714645), (303, 238215), (505, 142929), (909, 79405), (1515, 47643), (4545, 15881)]