72666747

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 110914560

約数和(自身を除く): 38247813

約数列:

[1, 3, 9, 27, 47, 141, 173, 331, 423, 519, 993, 1269, 1557, 2979, 4671, 8131, 8937, 15557, 24393, 46671, 57263, 73179, 140013, 171789, 219537, 420039, 515367, 1546101, 2691361, 8074083, 24222249, 72666747]

約数ペア:

[(1, 72666747), (3, 24222249), (9, 8074083), (27, 2691361), (47, 1546101), (141, 515367), (173, 420039), (331, 219537), (423, 171789), (519, 140013), (993, 73179), (1269, 57263), (1557, 46671), (2979, 24393), (4671, 15557), (8131, 8937)]