156985209

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{619}}^1$

素因数の和:763

約数の個数: 40

約数和(自身を含む): 244865280

約数和(自身を除く): 87880071

約数列:

[1, 3, 9, 27, 31, 81, 93, 101, 279, 303, 619, 837, 909, 1857, 2511, 2727, 3131, 5571, 8181, 9393, 16713, 19189, 28179, 50139, 57567, 62519, 84537, 172701, 187557, 253611, 518103, 562671, 1554309, 1688013, 1938089, 5064039, 5814267, 17442801, 52328403, 156985209]

約数ペア:

[(1, 156985209), (3, 52328403), (9, 17442801), (27, 5814267), (31, 5064039), (81, 1938089), (93, 1688013), (101, 1554309), (279, 562671), (303, 518103), (619, 253611), (837, 187557), (909, 172701), (1857, 84537), (2511, 62519), (2727, 57567), (3131, 50139), (5571, 28179), (8181, 19189), (9393, 16713)]