161027475

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1019}}^1$

素因数の和:1089

約数の個数: 72

約数和(自身を含む): 317211840

約数和(自身を除く): 156184365

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 49, 75, 105, 129, 147, 175, 215, 245, 301, 525, 645, 735, 903, 1019, 1075, 1225, 1505, 2107, 3057, 3225, 3675, 4515, 5095, 6321, 7133, 7525, 10535, 15285, 21399, 22575, 25475, 31605, 35665, 43817, 49931, 52675, 76425, 106995, 131451, 149793, 158025, 178325, 219085, 249655, 306719, 534975, 657255, 748965, 920157, 1095425, 1248275, 1533595, 2147033, 3286275, 3744825, 4600785, 6441099, 7667975, 10735165, 23003925, 32205495, 53675825, 161027475]

約数ペア:

[(1, 161027475), (3, 53675825), (5, 32205495), (7, 23003925), (15, 10735165), (21, 7667975), (25, 6441099), (35, 4600785), (43, 3744825), (49, 3286275), (75, 2147033), (105, 1533595), (129, 1248275), (147, 1095425), (175, 920157), (215, 748965), (245, 657255), (301, 534975), (525, 306719), (645, 249655), (735, 219085), (903, 178325), (1019, 158025), (1075, 149793), (1225, 131451), (1505, 106995), (2107, 76425), (3057, 52675), (3225, 49931), (3675, 43817), (4515, 35665), (5095, 31605), (6321, 25475), (7133, 22575), (7525, 21399), (10535, 15285)]