31244925

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 54996480

約数和(自身を除く): 23751555

約数列:

[1, 3, 5, 15, 23, 25, 59, 69, 75, 115, 177, 295, 307, 345, 575, 885, 921, 1357, 1475, 1535, 1725, 4071, 4425, 4605, 6785, 7061, 7675, 18113, 20355, 21183, 23025, 33925, 35305, 54339, 90565, 101775, 105915, 176525, 271695, 416599, 452825, 529575, 1249797, 1358475, 2082995, 6248985, 10414975, 31244925]

約数ペア:

[(1, 31244925), (3, 10414975), (5, 6248985), (15, 2082995), (23, 1358475), (25, 1249797), (59, 529575), (69, 452825), (75, 416599), (115, 271695), (177, 176525), (295, 105915), (307, 101775), (345, 90565), (575, 54339), (885, 35305), (921, 33925), (1357, 23025), (1475, 21183), (1535, 20355), (1725, 18113), (4071, 7675), (4425, 7061), (4605, 6785)]