16778385

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:119

約数の個数: 96

約数和(自身を含む): 34594560

約数和(自身を除く): 17816175

約数列:

[1, 3, 5, 9, 13, 15, 23, 29, 39, 43, 45, 65, 69, 87, 115, 117, 129, 145, 195, 207, 215, 261, 299, 345, 377, 387, 435, 559, 585, 645, 667, 897, 989, 1035, 1131, 1247, 1305, 1495, 1677, 1885, 1935, 2001, 2691, 2795, 2967, 3335, 3393, 3741, 4485, 4945, 5031, 5655, 6003, 6235, 8385, 8671, 8901, 10005, 11223, 12857, 13455, 14835, 16211, 16965, 18705, 25155, 26013, 28681, 30015, 38571, 43355, 44505, 48633, 56115, 64285, 78039, 81055, 86043, 115713, 130065, 143405, 145899, 192855, 243165, 258129, 372853, 390195, 430215, 578565, 729495, 1118559, 1290645, 1864265, 3355677, 5592795, 16778385]

約数ペア:

[(1, 16778385), (3, 5592795), (5, 3355677), (9, 1864265), (13, 1290645), (15, 1118559), (23, 729495), (29, 578565), (39, 430215), (43, 390195), (45, 372853), (65, 258129), (69, 243165), (87, 192855), (115, 145899), (117, 143405), (129, 130065), (145, 115713), (195, 86043), (207, 81055), (215, 78039), (261, 64285), (299, 56115), (345, 48633), (377, 44505), (387, 43355), (435, 38571), (559, 30015), (585, 28681), (645, 26013), (667, 25155), (897, 18705), (989, 16965), (1035, 16211), (1131, 14835), (1247, 13455), (1305, 12857), (1495, 11223), (1677, 10005), (1885, 8901), (1935, 8671), (2001, 8385), (2691, 6235), (2795, 6003), (2967, 5655), (3335, 5031), (3393, 4945), (3741, 4485)]