28939365

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 63737856

約数和(自身を除く): 34798491

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 37, 39, 45, 63, 65, 91, 105, 111, 117, 185, 191, 195, 259, 273, 315, 333, 455, 481, 555, 573, 585, 777, 819, 955, 1295, 1337, 1365, 1443, 1665, 1719, 2331, 2405, 2483, 2865, 3367, 3885, 4011, 4095, 4329, 6685, 7067, 7215, 7449, 8595, 10101, 11655, 12033, 12415, 16835, 17381, 20055, 21201, 21645, 22347, 30303, 35335, 37245, 49469, 50505, 52143, 60165, 63603, 86905, 91871, 106005, 111735, 148407, 151515, 156429, 247345, 260715, 275613, 318015, 445221, 459355, 643097, 742035, 782145, 826839, 1378065, 1929291, 2226105, 3215485, 4134195, 5787873, 9646455, 28939365]

約数ペア:

[(1, 28939365), (3, 9646455), (5, 5787873), (7, 4134195), (9, 3215485), (13, 2226105), (15, 1929291), (21, 1378065), (35, 826839), (37, 782145), (39, 742035), (45, 643097), (63, 459355), (65, 445221), (91, 318015), (105, 275613), (111, 260715), (117, 247345), (185, 156429), (191, 151515), (195, 148407), (259, 111735), (273, 106005), (315, 91871), (333, 86905), (455, 63603), (481, 60165), (555, 52143), (573, 50505), (585, 49469), (777, 37245), (819, 35335), (955, 30303), (1295, 22347), (1337, 21645), (1365, 21201), (1443, 20055), (1665, 17381), (1719, 16835), (2331, 12415), (2405, 12033), (2483, 11655), (2865, 10101), (3367, 8595), (3885, 7449), (4011, 7215), (4095, 7067), (4329, 6685)]