242540415

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21821}}^1$

素因数の和:21864

約数の個数: 48

約数和(自身を含む): 476592480

約数和(自身を除く): 234052065

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 3705, 11115, 21821, 65463, 109105, 196389, 283673, 327315, 414599, 851019, 981945, 1243797, 1418365, 2072995, 2553057, 3731391, 4255095, 5389787, 6218985, 12765285, 16169361, 18656955, 26948935, 48508083, 80846805, 242540415]

約数ペア:

[(1, 242540415), (3, 80846805), (5, 48508083), (9, 26948935), (13, 18656955), (15, 16169361), (19, 12765285), (39, 6218985), (45, 5389787), (57, 4255095), (65, 3731391), (95, 2553057), (117, 2072995), (171, 1418365), (195, 1243797), (247, 981945), (285, 851019), (585, 414599), (741, 327315), (855, 283673), (1235, 196389), (2223, 109105), (3705, 65463), (11115, 21821)]