1813308225

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{1979}}^1$

素因数の和:2654

約数の個数: 48

約数和(自身を含む): 3162297600

約数和(自身を除く): 1348989375

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 643, 1425, 1929, 1979, 3215, 5937, 9645, 9895, 12217, 16075, 29685, 36651, 37601, 48225, 49475, 61085, 112803, 148425, 183255, 188005, 305425, 564015, 916275, 940025, 1272497, 2820075, 3817491, 6362485, 19087455, 24177443, 31812425, 72532329, 95437275, 120887215, 362661645, 604436075, 1813308225]

約数ペア:

[(1, 1813308225), (3, 604436075), (5, 362661645), (15, 120887215), (19, 95437275), (25, 72532329), (57, 31812425), (75, 24177443), (95, 19087455), (285, 6362485), (475, 3817491), (643, 2820075), (1425, 1272497), (1929, 940025), (1979, 916275), (3215, 564015), (5937, 305425), (9645, 188005), (9895, 183255), (12217, 148425), (16075, 112803), (29685, 61085), (36651, 49475), (37601, 48225)]