81311145

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{1163}}^1$

素因数の和:1309

約数の個数: 32

約数和(自身を含む): 134092800

約数和(自身を除く): 52781655

約数列:

[1, 3, 5, 15, 59, 79, 177, 237, 295, 395, 885, 1163, 1185, 3489, 4661, 5815, 13983, 17445, 23305, 68617, 69915, 91877, 205851, 275631, 343085, 459385, 1029255, 1378155, 5420743, 16262229, 27103715, 81311145]

約数ペア:

[(1, 81311145), (3, 27103715), (5, 16262229), (15, 5420743), (59, 1378155), (79, 1029255), (177, 459385), (237, 343085), (295, 275631), (395, 205851), (885, 91877), (1163, 69915), (1185, 68617), (3489, 23305), (4661, 17445), (5815, 13983)]