619229721

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{997}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 955684800

約数和(自身を除く): 336455079

約数列:

[1, 3, 11, 29, 33, 59, 87, 121, 177, 319, 363, 649, 957, 997, 1711, 1947, 2991, 3509, 5133, 7139, 10527, 10967, 18821, 21417, 28913, 32901, 56463, 58823, 86739, 120637, 176469, 207031, 318043, 361911, 621093, 647053, 954129, 1705867, 1941159, 3498473, 5117601, 7117583, 10495419, 18764537, 21352749, 56293611, 206409907, 619229721]

約数ペア:

[(1, 619229721), (3, 206409907), (11, 56293611), (29, 21352749), (33, 18764537), (59, 10495419), (87, 7117583), (121, 5117601), (177, 3498473), (319, 1941159), (363, 1705867), (649, 954129), (957, 647053), (997, 621093), (1711, 361911), (1947, 318043), (2991, 207031), (3509, 176469), (5133, 120637), (7139, 86739), (10527, 58823), (10967, 56463), (18821, 32901), (21417, 28913)]