201312171

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 314496000

約数和(自身を除く): 113183829

約数列:

[1, 3, 9, 29, 31, 87, 93, 139, 179, 261, 279, 417, 537, 899, 1251, 1611, 2697, 4031, 4309, 5191, 5549, 8091, 12093, 12927, 15573, 16647, 24881, 36279, 38781, 46719, 49941, 74643, 124961, 160921, 223929, 374883, 482763, 721549, 771311, 1124649, 1448289, 2164647, 2313933, 6493941, 6941799, 22368019, 67104057, 201312171]

約数ペア:

[(1, 201312171), (3, 67104057), (9, 22368019), (29, 6941799), (31, 6493941), (87, 2313933), (93, 2164647), (139, 1448289), (179, 1124649), (261, 771311), (279, 721549), (417, 482763), (537, 374883), (899, 223929), (1251, 160921), (1611, 124961), (2697, 74643), (4031, 49941), (4309, 46719), (5191, 38781), (5549, 36279), (8091, 24881), (12093, 16647), (12927, 15573)]