31431018

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{541}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 65872512

約数和(自身を除く): 34441494

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 421, 541, 842, 1082, 1263, 1623, 2526, 3246, 9683, 12443, 19366, 24886, 29049, 37329, 58098, 74658, 227761, 455522, 683283, 1366566, 5238503, 10477006, 15715509, 31431018]

約数ペア:

[(1, 31431018), (2, 15715509), (3, 10477006), (6, 5238503), (23, 1366566), (46, 683283), (69, 455522), (138, 227761), (421, 74658), (541, 58098), (842, 37329), (1082, 29049), (1263, 24886), (1623, 19366), (2526, 12443), (3246, 9683)]