3991995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:89

約数の個数: 96

約数和(自身を含む): 8985600

約数和(自身を除く): 4993605

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 23, 29, 35, 45, 57, 63, 69, 87, 95, 105, 115, 133, 145, 161, 171, 203, 207, 261, 285, 315, 345, 399, 435, 437, 483, 551, 609, 665, 667, 805, 855, 1015, 1035, 1197, 1305, 1311, 1449, 1653, 1827, 1995, 2001, 2185, 2415, 2755, 3045, 3059, 3335, 3857, 3933, 4669, 4959, 5985, 6003, 6555, 7245, 8265, 9135, 9177, 10005, 11571, 12673, 14007, 15295, 19285, 19665, 23345, 24795, 27531, 30015, 34713, 38019, 42021, 45885, 57855, 63365, 70035, 88711, 114057, 137655, 173565, 190095, 210105, 266133, 443555, 570285, 798399, 1330665, 3991995]

約数ペア:

[(1, 3991995), (3, 1330665), (5, 798399), (7, 570285), (9, 443555), (15, 266133), (19, 210105), (21, 190095), (23, 173565), (29, 137655), (35, 114057), (45, 88711), (57, 70035), (63, 63365), (69, 57855), (87, 45885), (95, 42021), (105, 38019), (115, 34713), (133, 30015), (145, 27531), (161, 24795), (171, 23345), (203, 19665), (207, 19285), (261, 15295), (285, 14007), (315, 12673), (345, 11571), (399, 10005), (435, 9177), (437, 9135), (483, 8265), (551, 7245), (609, 6555), (665, 6003), (667, 5985), (805, 4959), (855, 4669), (1015, 3933), (1035, 3857), (1197, 3335), (1305, 3059), (1311, 3045), (1449, 2755), (1653, 2415), (1827, 2185), (1995, 2001)]