31898205

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:188

約数の個数: 80

約数和(自身を含む): 62569584

約数和(自身を除く): 30671379

約数列:

[1, 3, 5, 9, 15, 17, 27, 41, 45, 51, 81, 85, 113, 123, 135, 153, 205, 255, 339, 369, 405, 459, 565, 615, 697, 765, 1017, 1107, 1377, 1695, 1845, 1921, 2091, 2295, 3051, 3321, 3485, 4633, 5085, 5535, 5763, 6273, 6885, 9153, 9605, 10455, 13899, 15255, 16605, 17289, 18819, 23165, 28815, 31365, 41697, 45765, 51867, 56457, 69495, 78761, 86445, 94095, 125091, 155601, 208485, 236283, 259335, 282285, 375273, 393805, 625455, 708849, 778005, 1181415, 1876365, 2126547, 3544245, 6379641, 10632735, 31898205]

約数ペア:

[(1, 31898205), (3, 10632735), (5, 6379641), (9, 3544245), (15, 2126547), (17, 1876365), (27, 1181415), (41, 778005), (45, 708849), (51, 625455), (81, 393805), (85, 375273), (113, 282285), (123, 259335), (135, 236283), (153, 208485), (205, 155601), (255, 125091), (339, 94095), (369, 86445), (405, 78761), (459, 69495), (565, 56457), (615, 51867), (697, 45765), (765, 41697), (1017, 31365), (1107, 28815), (1377, 23165), (1695, 18819), (1845, 17289), (1921, 16605), (2091, 15255), (2295, 13899), (3051, 10455), (3321, 9605), (3485, 9153), (4633, 6885), (5085, 6273), (5535, 5763)]