17819451

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{31}}^1$

素因数の和:101

約数の個数: 48

約数和(自身を含む): 30401280

約数和(自身を除く): 12581829

約数列:

[1, 3, 9, 13, 17, 31, 39, 51, 93, 117, 153, 221, 279, 289, 403, 527, 663, 867, 1209, 1581, 1989, 2601, 3627, 3757, 4743, 4913, 6851, 8959, 11271, 14739, 20553, 26877, 33813, 44217, 61659, 63869, 80631, 116467, 152303, 191607, 349401, 456909, 574821, 1048203, 1370727, 1979939, 5939817, 17819451]

約数ペア:

[(1, 17819451), (3, 5939817), (9, 1979939), (13, 1370727), (17, 1048203), (31, 574821), (39, 456909), (51, 349401), (93, 191607), (117, 152303), (153, 116467), (221, 80631), (279, 63869), (289, 61659), (403, 44217), (527, 33813), (663, 26877), (867, 20553), (1209, 14739), (1581, 11271), (1989, 8959), (2601, 6851), (3627, 4913), (3757, 4743)]