189980595

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2971}}^1$

素因数の和:3025

約数の個数: 72

約数和(自身を含む): 396405360

約数和(自身を除く): 206424765

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 49, 63, 87, 105, 145, 147, 203, 245, 261, 315, 435, 441, 609, 735, 1015, 1305, 1421, 1827, 2205, 2971, 3045, 4263, 7105, 8913, 9135, 12789, 14855, 20797, 21315, 26739, 44565, 62391, 63945, 86159, 103985, 133695, 145579, 187173, 258477, 311955, 430795, 436737, 603113, 727895, 775431, 935865, 1292385, 1310211, 1809339, 2183685, 3015565, 3877155, 4221791, 5428017, 6551055, 9046695, 12665373, 21108955, 27140085, 37996119, 63326865, 189980595]

約数ペア:

[(1, 189980595), (3, 63326865), (5, 37996119), (7, 27140085), (9, 21108955), (15, 12665373), (21, 9046695), (29, 6551055), (35, 5428017), (45, 4221791), (49, 3877155), (63, 3015565), (87, 2183685), (105, 1809339), (145, 1310211), (147, 1292385), (203, 935865), (245, 775431), (261, 727895), (315, 603113), (435, 436737), (441, 430795), (609, 311955), (735, 258477), (1015, 187173), (1305, 145579), (1421, 133695), (1827, 103985), (2205, 86159), (2971, 63945), (3045, 62391), (4263, 44565), (7105, 26739), (8913, 21315), (9135, 20797), (12789, 14855)]