28399395

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{397}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 48142080

約数和(自身を除く): 19742685

約数列:

[1, 3, 5, 15, 19, 57, 95, 251, 285, 397, 753, 1191, 1255, 1985, 3765, 4769, 5955, 7543, 14307, 22629, 23845, 37715, 71535, 99647, 113145, 298941, 498235, 1494705, 1893293, 5679879, 9466465, 28399395]

約数ペア:

[(1, 28399395), (3, 9466465), (5, 5679879), (15, 1893293), (19, 1494705), (57, 498235), (95, 298941), (251, 113145), (285, 99647), (397, 71535), (753, 37715), (1191, 23845), (1255, 22629), (1985, 14307), (3765, 7543), (4769, 5955)]