201991185

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7159}}^1$

素因数の和:7203

約数の個数: 64

約数和(自身を含む): 412416000

約数和(自身を除く): 210424815

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 33, 45, 55, 57, 95, 99, 135, 165, 171, 209, 285, 297, 495, 513, 627, 855, 1045, 1485, 1881, 2565, 3135, 5643, 7159, 9405, 21477, 28215, 35795, 64431, 78749, 107385, 136021, 193293, 236247, 322155, 393745, 408063, 680105, 708741, 966465, 1181235, 1224189, 1496231, 2040315, 2126223, 3543705, 3672567, 4488693, 6120945, 7481155, 10631115, 13466079, 18362835, 22443465, 40398237, 67330395, 201991185]

約数ペア:

[(1, 201991185), (3, 67330395), (5, 40398237), (9, 22443465), (11, 18362835), (15, 13466079), (19, 10631115), (27, 7481155), (33, 6120945), (45, 4488693), (55, 3672567), (57, 3543705), (95, 2126223), (99, 2040315), (135, 1496231), (165, 1224189), (171, 1181235), (209, 966465), (285, 708741), (297, 680105), (495, 408063), (513, 393745), (627, 322155), (855, 236247), (1045, 193293), (1485, 136021), (1881, 107385), (2565, 78749), (3135, 64431), (5643, 35795), (7159, 28215), (9405, 21477)]