27171405

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 49870080

約数和(自身を除く): 22698675

約数列:

[1, 3, 5, 9, 15, 29, 45, 47, 87, 141, 145, 235, 261, 423, 435, 443, 705, 1305, 1329, 1363, 2115, 2215, 3987, 4089, 6645, 6815, 12267, 12847, 19935, 20445, 20821, 38541, 61335, 62463, 64235, 104105, 115623, 187389, 192705, 312315, 578115, 603809, 936945, 1811427, 3019045, 5434281, 9057135, 27171405]

約数ペア:

[(1, 27171405), (3, 9057135), (5, 5434281), (9, 3019045), (15, 1811427), (29, 936945), (45, 603809), (47, 578115), (87, 312315), (141, 192705), (145, 187389), (235, 115623), (261, 104105), (423, 64235), (435, 62463), (443, 61335), (705, 38541), (1305, 20821), (1329, 20445), (1363, 19935), (2115, 12847), (2215, 12267), (3987, 6815), (4089, 6645)]