17917779

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2$

素因数の和:132

約数の個数: 48

約数和(自身を含む): 29773440

約数和(自身を除く): 11855661

約数列:

[1, 3, 11, 17, 19, 33, 41, 51, 57, 123, 187, 209, 323, 451, 561, 627, 697, 779, 969, 1353, 1681, 2091, 2337, 3553, 5043, 7667, 8569, 10659, 13243, 18491, 23001, 25707, 28577, 31939, 39729, 55473, 85731, 95817, 145673, 314347, 351329, 437019, 542963, 943041, 1053987, 1628889, 5972593, 17917779]

約数ペア:

[(1, 17917779), (3, 5972593), (11, 1628889), (17, 1053987), (19, 943041), (33, 542963), (41, 437019), (51, 351329), (57, 314347), (123, 145673), (187, 95817), (209, 85731), (323, 55473), (451, 39729), (561, 31939), (627, 28577), (697, 25707), (779, 23001), (969, 18491), (1353, 13243), (1681, 10659), (2091, 8569), (2337, 7667), (3553, 5043)]