38923965

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 74424168

約数和(自身を除く): 35500203

約数列:

[1, 3, 5, 9, 15, 17, 41, 45, 51, 73, 85, 123, 153, 205, 219, 255, 289, 365, 369, 615, 657, 697, 765, 867, 1095, 1241, 1445, 1845, 2091, 2601, 2993, 3285, 3485, 3723, 4335, 6205, 6273, 8979, 10455, 11169, 11849, 13005, 14965, 18615, 21097, 26937, 31365, 35547, 44895, 50881, 55845, 59245, 63291, 105485, 106641, 134685, 152643, 177735, 189873, 254405, 316455, 457929, 533205, 763215, 864977, 949365, 2289645, 2594931, 4324885, 7784793, 12974655, 38923965]

約数ペア:

[(1, 38923965), (3, 12974655), (5, 7784793), (9, 4324885), (15, 2594931), (17, 2289645), (41, 949365), (45, 864977), (51, 763215), (73, 533205), (85, 457929), (123, 316455), (153, 254405), (205, 189873), (219, 177735), (255, 152643), (289, 134685), (365, 106641), (369, 105485), (615, 63291), (657, 59245), (697, 55845), (765, 50881), (867, 44895), (1095, 35547), (1241, 31365), (1445, 26937), (1845, 21097), (2091, 18615), (2601, 14965), (2993, 13005), (3285, 11849), (3485, 11169), (3723, 10455), (4335, 8979), (6205, 6273)]