72487905

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 137817600

約数和(自身を除く): 65329695

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 73, 105, 147, 193, 219, 245, 343, 365, 511, 579, 735, 965, 1029, 1095, 1351, 1533, 1715, 2555, 2895, 3577, 4053, 5145, 6755, 7665, 9457, 10731, 14089, 17885, 20265, 25039, 28371, 42267, 47285, 53655, 66199, 70445, 75117, 98623, 125195, 141855, 198597, 211335, 295869, 330995, 375585, 493115, 690361, 992985, 1479345, 2071083, 3451805, 4832527, 10355415, 14497581, 24162635, 72487905]

約数ペア:

[(1, 72487905), (3, 24162635), (5, 14497581), (7, 10355415), (15, 4832527), (21, 3451805), (35, 2071083), (49, 1479345), (73, 992985), (105, 690361), (147, 493115), (193, 375585), (219, 330995), (245, 295869), (343, 211335), (365, 198597), (511, 141855), (579, 125195), (735, 98623), (965, 75117), (1029, 70445), (1095, 66199), (1351, 53655), (1533, 47285), (1715, 42267), (2555, 28371), (2895, 25039), (3577, 20265), (4053, 17885), (5145, 14089), (6755, 10731), (7665, 9457)]