161719785

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 310722048

約数和(自身を除く): 149002263

約数列:

[1, 3, 5, 9, 15, 23, 37, 41, 45, 69, 103, 111, 115, 123, 185, 205, 207, 309, 333, 345, 369, 515, 555, 615, 851, 927, 943, 1035, 1517, 1545, 1665, 1845, 2369, 2553, 2829, 3811, 4223, 4255, 4551, 4635, 4715, 7107, 7585, 7659, 8487, 11433, 11845, 12669, 12765, 13653, 14145, 19055, 21115, 21321, 22755, 34299, 34891, 35535, 38007, 38295, 42435, 57165, 63345, 68265, 87653, 97129, 104673, 106605, 156251, 171495, 174455, 190035, 262959, 291387, 314019, 438265, 468753, 485645, 523365, 781255, 788877, 874161, 1314795, 1406259, 1456935, 1570095, 2343765, 3593773, 3944385, 4370805, 7031295, 10781319, 17968865, 32343957, 53906595, 161719785]

約数ペア:

[(1, 161719785), (3, 53906595), (5, 32343957), (9, 17968865), (15, 10781319), (23, 7031295), (37, 4370805), (41, 3944385), (45, 3593773), (69, 2343765), (103, 1570095), (111, 1456935), (115, 1406259), (123, 1314795), (185, 874161), (205, 788877), (207, 781255), (309, 523365), (333, 485645), (345, 468753), (369, 438265), (515, 314019), (555, 291387), (615, 262959), (851, 190035), (927, 174455), (943, 171495), (1035, 156251), (1517, 106605), (1545, 104673), (1665, 97129), (1845, 87653), (2369, 68265), (2553, 63345), (2829, 57165), (3811, 42435), (4223, 38295), (4255, 38007), (4551, 35535), (4635, 34891), (4715, 34299), (7107, 22755), (7585, 21321), (7659, 21115), (8487, 19055), (11433, 14145), (11845, 13653), (12669, 12765)]