1313376975

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1997}}^1$

素因数の和:2129

約数の個数: 72

約数和(自身を含む): 2447789760

約数和(自身を除く): 1134412785

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 79, 111, 185, 225, 237, 333, 395, 555, 711, 925, 1185, 1665, 1975, 1997, 2775, 2923, 3555, 5925, 5991, 8325, 8769, 9985, 14615, 17775, 17973, 26307, 29955, 43845, 49925, 73075, 73889, 89865, 131535, 149775, 157763, 219225, 221667, 369445, 449325, 473289, 657675, 665001, 788815, 1108335, 1419867, 1847225, 2366445, 3325005, 3944075, 5541675, 5837231, 7099335, 11832225, 16625025, 17511693, 29186155, 35496675, 52535079, 87558465, 145930775, 262675395, 437792325, 1313376975]

約数ペア:

[(1, 1313376975), (3, 437792325), (5, 262675395), (9, 145930775), (15, 87558465), (25, 52535079), (37, 35496675), (45, 29186155), (75, 17511693), (79, 16625025), (111, 11832225), (185, 7099335), (225, 5837231), (237, 5541675), (333, 3944075), (395, 3325005), (555, 2366445), (711, 1847225), (925, 1419867), (1185, 1108335), (1665, 788815), (1975, 665001), (1997, 657675), (2775, 473289), (2923, 449325), (3555, 369445), (5925, 221667), (5991, 219225), (8325, 157763), (8769, 149775), (9985, 131535), (14615, 89865), (17775, 73889), (17973, 73075), (26307, 49925), (29955, 43845)]