17923815

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1459}}^1$

素因数の和:1493

約数の個数: 64

約数和(自身を含む): 39244800

約数和(自身を除く): 21320985

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 189, 195, 273, 315, 351, 455, 585, 819, 945, 1365, 1459, 1755, 2457, 4095, 4377, 7295, 10213, 12285, 13131, 18967, 21885, 30639, 39393, 51065, 56901, 65655, 91917, 94835, 132769, 153195, 170703, 196965, 275751, 284505, 398307, 459585, 512109, 663845, 853515, 1194921, 1378755, 1991535, 2560545, 3584763, 5974605, 17923815]

約数ペア:

[(1, 17923815), (3, 5974605), (5, 3584763), (7, 2560545), (9, 1991535), (13, 1378755), (15, 1194921), (21, 853515), (27, 663845), (35, 512109), (39, 459585), (45, 398307), (63, 284505), (65, 275751), (91, 196965), (105, 170703), (117, 153195), (135, 132769), (189, 94835), (195, 91917), (273, 65655), (315, 56901), (351, 51065), (455, 39393), (585, 30639), (819, 21885), (945, 18967), (1365, 13131), (1459, 12285), (1755, 10213), (2457, 7295), (4095, 4377)]