211821885

素因数分解:

$3^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{587}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 416628576

約数和(自身を除く): 204806691

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 243, 297, 405, 495, 587, 729, 891, 1215, 1485, 1761, 2187, 2673, 2935, 3645, 4455, 5283, 6457, 6561, 8019, 8805, 10935, 13365, 15849, 19371, 24057, 26415, 32285, 32805, 40095, 47547, 58113, 72171, 79245, 96855, 120285, 142641, 174339, 237735, 290565, 360855, 427923, 523017, 713205, 871695, 1283769, 1569051, 2139615, 2615085, 3851307, 4707153, 6418845, 7845255, 14121459, 19256535, 23535765, 42364377, 70607295, 211821885]

約数ペア:

[(1, 211821885), (3, 70607295), (5, 42364377), (9, 23535765), (11, 19256535), (15, 14121459), (27, 7845255), (33, 6418845), (45, 4707153), (55, 3851307), (81, 2615085), (99, 2139615), (135, 1569051), (165, 1283769), (243, 871695), (297, 713205), (405, 523017), (495, 427923), (587, 360855), (729, 290565), (891, 237735), (1215, 174339), (1485, 142641), (1761, 120285), (2187, 96855), (2673, 79245), (2935, 72171), (3645, 58113), (4455, 47547), (5283, 40095), (6457, 32805), (6561, 32285), (8019, 26415), (8805, 24057), (10935, 19371), (13365, 15849)]