28101051

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 47848320

約数和(自身を除く): 19747269

約数列:

[1, 3, 9, 11, 17, 33, 51, 59, 99, 153, 177, 187, 283, 531, 561, 649, 849, 1003, 1683, 1947, 2547, 3009, 3113, 4811, 5841, 9027, 9339, 11033, 14433, 16697, 28017, 33099, 43299, 50091, 52921, 99297, 150273, 158763, 183667, 283849, 476289, 551001, 851547, 1653003, 2554641, 3122339, 9367017, 28101051]

約数ペア:

[(1, 28101051), (3, 9367017), (9, 3122339), (11, 2554641), (17, 1653003), (33, 851547), (51, 551001), (59, 476289), (99, 283849), (153, 183667), (177, 158763), (187, 150273), (283, 99297), (531, 52921), (561, 50091), (649, 43299), (849, 33099), (1003, 28017), (1683, 16697), (1947, 14433), (2547, 11033), (3009, 9339), (3113, 9027), (4811, 5841)]