1640918115

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{1801}}^1$

素因数の和:2229

約数の個数: 64

約数和(自身を含む): 3098286720

約数和(自身を除く): 1457368605

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 397, 459, 765, 1191, 1801, 1985, 2295, 3573, 5403, 5955, 6749, 9005, 10719, 16209, 17865, 20247, 27015, 30617, 33745, 48627, 53595, 60741, 81045, 91851, 101235, 153085, 182223, 243135, 275553, 303705, 459255, 714997, 826659, 911115, 1377765, 2144991, 3574985, 4133295, 6434973, 10724955, 12154949, 19304919, 32174865, 36464847, 60774745, 96524595, 109394541, 182324235, 328183623, 546972705, 1640918115]

約数ペア:

[(1, 1640918115), (3, 546972705), (5, 328183623), (9, 182324235), (15, 109394541), (17, 96524595), (27, 60774745), (45, 36464847), (51, 32174865), (85, 19304919), (135, 12154949), (153, 10724955), (255, 6434973), (397, 4133295), (459, 3574985), (765, 2144991), (1191, 1377765), (1801, 911115), (1985, 826659), (2295, 714997), (3573, 459255), (5403, 303705), (5955, 275553), (6749, 243135), (9005, 182223), (10719, 153085), (16209, 101235), (17865, 91851), (20247, 81045), (27015, 60741), (30617, 53595), (33745, 48627)]