39969825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4007}}^1$

素因数の和:4046

約数の個数: 48

約数和(自身を含む): 79518720

約数和(自身を除く): 39548895

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 3325, 4007, 9975, 12021, 20035, 28049, 60105, 76133, 84147, 100175, 140245, 228399, 300525, 380665, 420735, 532931, 701225, 1141995, 1598793, 1903325, 2103675, 2664655, 5709975, 7993965, 13323275, 39969825]

約数ペア:

[(1, 39969825), (3, 13323275), (5, 7993965), (7, 5709975), (15, 2664655), (19, 2103675), (21, 1903325), (25, 1598793), (35, 1141995), (57, 701225), (75, 532931), (95, 420735), (105, 380665), (133, 300525), (175, 228399), (285, 140245), (399, 100175), (475, 84147), (525, 76133), (665, 60105), (1425, 28049), (1995, 20035), (3325, 12021), (4007, 9975)]