61996221

素因数分解:

$3^2\times 7^4\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:204

約数の個数: 60

約数和(自身を含む): 110695520

約数和(自身を除く): 48699299

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 151, 171, 343, 399, 441, 453, 931, 1029, 1057, 1197, 1359, 2401, 2793, 2869, 3087, 3171, 6517, 7203, 7399, 8379, 8607, 9513, 19551, 20083, 21609, 22197, 25821, 45619, 51793, 58653, 60249, 66591, 136857, 140581, 155379, 180747, 362551, 410571, 421743, 466137, 984067, 1087653, 1265229, 2952201, 3262959, 6888469, 8856603, 20665407, 61996221]

約数ペア:

[(1, 61996221), (3, 20665407), (7, 8856603), (9, 6888469), (19, 3262959), (21, 2952201), (49, 1265229), (57, 1087653), (63, 984067), (133, 466137), (147, 421743), (151, 410571), (171, 362551), (343, 180747), (399, 155379), (441, 140581), (453, 136857), (931, 66591), (1029, 60249), (1057, 58653), (1197, 51793), (1359, 45619), (2401, 25821), (2793, 22197), (2869, 21609), (3087, 20083), (3171, 19551), (6517, 9513), (7203, 8607), (7399, 8379)]