219950073

素因数分解:

$3^4\times 7^2\times {\mathrm{151}}^1\times {\mathrm{367}}^1$

素因数の和:544

約数の個数: 60

約数和(自身を含む): 385790592

約数和(自身を除く): 165840519

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 151, 189, 367, 441, 453, 567, 1057, 1101, 1323, 1359, 2569, 3171, 3303, 3969, 4077, 7399, 7707, 9513, 9909, 12231, 17983, 22197, 23121, 28539, 29727, 53949, 55417, 66591, 69363, 85617, 161847, 166251, 199773, 208089, 387919, 485541, 498753, 599319, 1163757, 1456623, 1496259, 2715433, 3491271, 4488777, 8146299, 10473813, 24438897, 31421439, 73316691, 219950073]

約数ペア:

[(1, 219950073), (3, 73316691), (7, 31421439), (9, 24438897), (21, 10473813), (27, 8146299), (49, 4488777), (63, 3491271), (81, 2715433), (147, 1496259), (151, 1456623), (189, 1163757), (367, 599319), (441, 498753), (453, 485541), (567, 387919), (1057, 208089), (1101, 199773), (1323, 166251), (1359, 161847), (2569, 85617), (3171, 69363), (3303, 66591), (3969, 55417), (4077, 53949), (7399, 29727), (7707, 28539), (9513, 23121), (9909, 22197), (12231, 17983)]