216115263

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{87959}}^1$

素因数の和:87988

約数の個数: 32

約数和(自身を含む): 394060800

約数和(自身を除く): 177945537

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 87959, 263877, 615713, 791631, 1143467, 1847139, 2374893, 3430401, 5541417, 8004269, 10291203, 16624251, 24012807, 30873609, 72038421, 216115263]

約数ペア:

[(1, 216115263), (3, 72038421), (7, 30873609), (9, 24012807), (13, 16624251), (21, 10291203), (27, 8004269), (39, 5541417), (63, 3430401), (91, 2374893), (117, 1847139), (189, 1143467), (273, 791631), (351, 615713), (819, 263877), (2457, 87959)]