51989325

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 90470400

約数和(自身を除く): 38481075

約数列:

[1, 3, 5, 15, 25, 31, 59, 75, 93, 155, 177, 295, 379, 465, 775, 885, 1137, 1475, 1829, 1895, 2325, 4425, 5487, 5685, 9145, 9475, 11749, 22361, 27435, 28425, 35247, 45725, 58745, 67083, 111805, 137175, 176235, 293725, 335415, 559025, 693191, 881175, 1677075, 2079573, 3465955, 10397865, 17329775, 51989325]

約数ペア:

[(1, 51989325), (3, 17329775), (5, 10397865), (15, 3465955), (25, 2079573), (31, 1677075), (59, 881175), (75, 693191), (93, 559025), (155, 335415), (177, 293725), (295, 176235), (379, 137175), (465, 111805), (775, 67083), (885, 58745), (1137, 45725), (1475, 35247), (1829, 28425), (1895, 27435), (2325, 22361), (4425, 11749), (5487, 9475), (5685, 9145)]