39992745

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 74156544

約数和(自身を除く): 34163799

約数列:

[1, 3, 5, 13, 15, 23, 37, 39, 65, 69, 111, 115, 185, 195, 241, 299, 345, 481, 555, 723, 851, 897, 1205, 1443, 1495, 2405, 2553, 3133, 3615, 4255, 4485, 5543, 7215, 8917, 9399, 11063, 12765, 15665, 16629, 26751, 27715, 33189, 44585, 46995, 55315, 72059, 83145, 115921, 133755, 165945, 205091, 216177, 347763, 360295, 579605, 615273, 1025455, 1080885, 1738815, 2666183, 3076365, 7998549, 13330915, 39992745]

約数ペア:

[(1, 39992745), (3, 13330915), (5, 7998549), (13, 3076365), (15, 2666183), (23, 1738815), (37, 1080885), (39, 1025455), (65, 615273), (69, 579605), (111, 360295), (115, 347763), (185, 216177), (195, 205091), (241, 165945), (299, 133755), (345, 115921), (481, 83145), (555, 72059), (723, 55315), (851, 46995), (897, 44585), (1205, 33189), (1443, 27715), (1495, 26751), (2405, 16629), (2553, 15665), (3133, 12765), (3615, 11063), (4255, 9399), (4485, 8917), (5543, 7215)]