4145985

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:399

約数の個数: 40

約数和(自身を含む): 7710120

約数和(自身を除く): 3564135

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 353, 405, 435, 783, 1059, 1305, 1765, 2349, 3177, 3915, 5295, 9531, 10237, 11745, 15885, 28593, 30711, 47655, 51185, 92133, 142965, 153555, 276399, 460665, 829197, 1381995, 4145985]

約数ペア:

[(1, 4145985), (3, 1381995), (5, 829197), (9, 460665), (15, 276399), (27, 153555), (29, 142965), (45, 92133), (81, 51185), (87, 47655), (135, 30711), (145, 28593), (261, 15885), (353, 11745), (405, 10237), (435, 9531), (783, 5295), (1059, 3915), (1305, 3177), (1765, 2349)]