17965935

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 35683200

約数和(自身を除く): 17717265

約数列:

[1, 3, 5, 9, 13, 15, 27, 29, 39, 45, 65, 87, 117, 135, 145, 195, 261, 351, 353, 377, 435, 585, 783, 1059, 1131, 1305, 1755, 1765, 1885, 3177, 3393, 3915, 4589, 5295, 5655, 9531, 10179, 10237, 13767, 15885, 16965, 22945, 30711, 41301, 47655, 50895, 51185, 68835, 92133, 123903, 133081, 153555, 206505, 276399, 399243, 460665, 619515, 665405, 1197729, 1381995, 1996215, 3593187, 5988645, 17965935]

約数ペア:

[(1, 17965935), (3, 5988645), (5, 3593187), (9, 1996215), (13, 1381995), (15, 1197729), (27, 665405), (29, 619515), (39, 460665), (45, 399243), (65, 276399), (87, 206505), (117, 153555), (135, 133081), (145, 123903), (195, 92133), (261, 68835), (351, 51185), (353, 50895), (377, 47655), (435, 41301), (585, 30711), (783, 22945), (1059, 16965), (1131, 15885), (1305, 13767), (1755, 10237), (1765, 10179), (1885, 9531), (3177, 5655), (3393, 5295), (3915, 4589)]