17963253

素因数分解:

$3^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^2$

素因数の和:84

約数の個数: 72

約数和(自身を含む): 34507200

約数和(自身を除く): 16543947

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 49, 63, 69, 77, 99, 147, 161, 207, 231, 253, 343, 441, 483, 529, 539, 693, 759, 1029, 1127, 1449, 1587, 1617, 1771, 2277, 3087, 3381, 3703, 3773, 4761, 4851, 5313, 5819, 7889, 10143, 11109, 11319, 12397, 15939, 17457, 23667, 25921, 33327, 33957, 37191, 40733, 52371, 71001, 77763, 86779, 111573, 122199, 181447, 233289, 260337, 285131, 366597, 544341, 781011, 855393, 1633023, 1995917, 2566179, 5987751, 17963253]

約数ペア:

[(1, 17963253), (3, 5987751), (7, 2566179), (9, 1995917), (11, 1633023), (21, 855393), (23, 781011), (33, 544341), (49, 366597), (63, 285131), (69, 260337), (77, 233289), (99, 181447), (147, 122199), (161, 111573), (207, 86779), (231, 77763), (253, 71001), (343, 52371), (441, 40733), (483, 37191), (529, 33957), (539, 33327), (693, 25921), (759, 23667), (1029, 17457), (1127, 15939), (1449, 12397), (1587, 11319), (1617, 11109), (1771, 10143), (2277, 7889), (3087, 5819), (3381, 5313), (3703, 4851), (3773, 4761)]