209218443

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2897}}^1$

素因数の和:3107

約数の個数: 32

約数和(自身を含む): 337559040

約数和(自身を除く): 128340597

約数列:

[1, 3, 7, 19, 21, 57, 133, 181, 399, 543, 1267, 2897, 3439, 3801, 8691, 10317, 20279, 24073, 55043, 60837, 72219, 165129, 385301, 524357, 1155903, 1573071, 3670499, 9962783, 11011497, 29888349, 69739481, 209218443]

約数ペア:

[(1, 209218443), (3, 69739481), (7, 29888349), (19, 11011497), (21, 9962783), (57, 3670499), (133, 1573071), (181, 1155903), (399, 524357), (543, 385301), (1267, 165129), (2897, 72219), (3439, 60837), (3801, 55043), (8691, 24073), (10317, 20279)]