17218215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1163}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 34864128

約数和(自身を除く): 17645913

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 315, 329, 423, 705, 987, 1163, 1645, 2115, 2961, 3489, 4935, 5815, 8141, 10467, 14805, 17445, 24423, 40705, 52335, 54661, 73269, 122115, 163983, 273305, 366345, 382627, 491949, 819915, 1147881, 1913135, 2459745, 3443643, 5739405, 17218215]

約数ペア:

[(1, 17218215), (3, 5739405), (5, 3443643), (7, 2459745), (9, 1913135), (15, 1147881), (21, 819915), (35, 491949), (45, 382627), (47, 366345), (63, 273305), (105, 163983), (141, 122115), (235, 73269), (315, 54661), (329, 52335), (423, 40705), (705, 24423), (987, 17445), (1163, 14805), (1645, 10467), (2115, 8141), (2961, 5815), (3489, 4935)]