81737565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 162279936

約数和(自身を除く): 80542371

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 233, 257, 273, 455, 699, 771, 1165, 1285, 1365, 1631, 1799, 3029, 3341, 3495, 3855, 4893, 5397, 8155, 8995, 9087, 10023, 15145, 16705, 21203, 23387, 24465, 26985, 45435, 50115, 59881, 63609, 70161, 106015, 116935, 179643, 299405, 318045, 350805, 419167, 778453, 898215, 1257501, 2095835, 2335359, 3892265, 5449171, 6287505, 11676795, 16347513, 27245855, 81737565]

約数ペア:

[(1, 81737565), (3, 27245855), (5, 16347513), (7, 11676795), (13, 6287505), (15, 5449171), (21, 3892265), (35, 2335359), (39, 2095835), (65, 1257501), (91, 898215), (105, 778453), (195, 419167), (233, 350805), (257, 318045), (273, 299405), (455, 179643), (699, 116935), (771, 106015), (1165, 70161), (1285, 63609), (1365, 59881), (1631, 50115), (1799, 45435), (3029, 26985), (3341, 24465), (3495, 23387), (3855, 21203), (4893, 16705), (5397, 15145), (8155, 10023), (8995, 9087)]