81421308

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{39679}}^1$

素因数の和:39711

約数の個数: 48

約数和(自身を含む): 222208000

約数和(自身を除く): 140786692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 39679, 79358, 119037, 158716, 238074, 357111, 476148, 714222, 753901, 1071333, 1428444, 1507802, 2142666, 2261703, 3015604, 4285332, 4523406, 6785109, 9046812, 13570218, 20355327, 27140436, 40710654, 81421308]

約数ペア:

[(1, 81421308), (2, 40710654), (3, 27140436), (4, 20355327), (6, 13570218), (9, 9046812), (12, 6785109), (18, 4523406), (19, 4285332), (27, 3015604), (36, 2261703), (38, 2142666), (54, 1507802), (57, 1428444), (76, 1071333), (108, 753901), (114, 714222), (171, 476148), (228, 357111), (342, 238074), (513, 158716), (684, 119037), (1026, 79358), (2052, 39679)]