81465669

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:559

約数の個数: 40

約数和(自身を含む): 127776000

約数和(自身を除く): 46310331

約数列:

[1, 3, 9, 27, 29, 79, 81, 87, 237, 261, 439, 711, 783, 1317, 2133, 2291, 2349, 3951, 6399, 6873, 11853, 12731, 20619, 34681, 35559, 38193, 61857, 104043, 114579, 185571, 312129, 343737, 936387, 1005749, 1031211, 2809161, 3017247, 9051741, 27155223, 81465669]

約数ペア:

[(1, 81465669), (3, 27155223), (9, 9051741), (27, 3017247), (29, 2809161), (79, 1031211), (81, 1005749), (87, 936387), (237, 343737), (261, 312129), (439, 185571), (711, 114579), (783, 104043), (1317, 61857), (2133, 38193), (2291, 35559), (2349, 34681), (3951, 20619), (6399, 12731), (6873, 11853)]