253720971

素因数分解:

$3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:458

約数の個数: 96

約数和(自身を含む): 480168000

約数和(自身を除く): 226447029

約数列:

[1, 3, 7, 9, 17, 21, 27, 29, 49, 51, 63, 87, 119, 147, 153, 189, 203, 261, 357, 389, 441, 459, 493, 609, 783, 833, 1071, 1167, 1323, 1421, 1479, 1827, 2499, 2723, 3213, 3451, 3501, 4263, 4437, 5481, 6613, 7497, 8169, 10353, 10503, 11281, 12789, 13311, 19061, 19839, 22491, 24157, 24507, 31059, 33843, 38367, 46291, 57183, 59517, 72471, 73521, 78967, 93177, 101529, 138873, 171549, 178551, 191777, 217413, 236901, 304587, 324037, 416619, 514647, 552769, 575331, 652239, 710703, 972111, 1249857, 1342439, 1658307, 1725993, 2132109, 2916333, 4027317, 4974921, 5177979, 8748999, 9397073, 12081951, 14924763, 28191219, 36245853, 84573657, 253720971]

約数ペア:

[(1, 253720971), (3, 84573657), (7, 36245853), (9, 28191219), (17, 14924763), (21, 12081951), (27, 9397073), (29, 8748999), (49, 5177979), (51, 4974921), (63, 4027317), (87, 2916333), (119, 2132109), (147, 1725993), (153, 1658307), (189, 1342439), (203, 1249857), (261, 972111), (357, 710703), (389, 652239), (441, 575331), (459, 552769), (493, 514647), (609, 416619), (783, 324037), (833, 304587), (1071, 236901), (1167, 217413), (1323, 191777), (1421, 178551), (1479, 171549), (1827, 138873), (2499, 101529), (2723, 93177), (3213, 78967), (3451, 73521), (3501, 72471), (4263, 59517), (4437, 57183), (5481, 46291), (6613, 38367), (7497, 33843), (8169, 31059), (10353, 24507), (10503, 24157), (11281, 22491), (12789, 19839), (13311, 19061)]