221566806

素因数分解:

$2^1\times 3^3\times {\mathrm{181}}^1\times {\mathrm{22669}}^1$

素因数の和:22861

約数の個数: 32

約数和(自身を含む): 495112800

約数和(自身を除く): 273545994

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 181, 362, 543, 1086, 1629, 3258, 4887, 9774, 22669, 45338, 68007, 136014, 204021, 408042, 612063, 1224126, 4103089, 8206178, 12309267, 24618534, 36927801, 73855602, 110783403, 221566806]

約数ペア:

[(1, 221566806), (2, 110783403), (3, 73855602), (6, 36927801), (9, 24618534), (18, 12309267), (27, 8206178), (54, 4103089), (181, 1224126), (362, 612063), (543, 408042), (1086, 204021), (1629, 136014), (3258, 68007), (4887, 45338), (9774, 22669)]