239565195

素因数分解:

$3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^2$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 448405776

約数和(自身を除く): 208840581

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 73, 81, 111, 135, 185, 219, 243, 333, 365, 405, 555, 657, 999, 1095, 1215, 1665, 1971, 2701, 2997, 3285, 4995, 5329, 5913, 8103, 8991, 9855, 13505, 14985, 15987, 17739, 24309, 26645, 29565, 40515, 44955, 47961, 72927, 79935, 88695, 121545, 143883, 197173, 218781, 239805, 364635, 431649, 591519, 656343, 719415, 985865, 1093905, 1294947, 1774557, 2158245, 2957595, 3281715, 5323671, 6474735, 8872785, 15971013, 26618355, 47913039, 79855065, 239565195]

約数ペア:

[(1, 239565195), (3, 79855065), (5, 47913039), (9, 26618355), (15, 15971013), (27, 8872785), (37, 6474735), (45, 5323671), (73, 3281715), (81, 2957595), (111, 2158245), (135, 1774557), (185, 1294947), (219, 1093905), (243, 985865), (333, 719415), (365, 656343), (405, 591519), (555, 431649), (657, 364635), (999, 239805), (1095, 218781), (1215, 197173), (1665, 143883), (1971, 121545), (2701, 88695), (2997, 79935), (3285, 72927), (4995, 47961), (5329, 44955), (5913, 40515), (8103, 29565), (8991, 26645), (9855, 24309), (13505, 17739), (14985, 15987)]