311306445

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1601}}^1$

素因数の和:1790

約数の個数: 48

約数和(自身を含む): 562302000

約数和(自身を除く): 250995555

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 149, 261, 435, 447, 745, 1305, 1341, 1601, 2235, 4321, 4803, 6705, 8005, 12963, 14409, 21605, 24015, 38889, 46429, 64815, 72045, 139287, 194445, 232145, 238549, 417861, 696435, 715647, 1192745, 2089305, 2146941, 3578235, 6917921, 10734705, 20753763, 34589605, 62261289, 103768815, 311306445]

約数ペア:

[(1, 311306445), (3, 103768815), (5, 62261289), (9, 34589605), (15, 20753763), (29, 10734705), (45, 6917921), (87, 3578235), (145, 2146941), (149, 2089305), (261, 1192745), (435, 715647), (447, 696435), (745, 417861), (1305, 238549), (1341, 232145), (1601, 194445), (2235, 139287), (4321, 72045), (4803, 64815), (6705, 46429), (8005, 38889), (12963, 24015), (14409, 21605)]