420152913

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{77419}}^1$

素因数の和:77498

約数の個数: 20

約数和(自身を含む): 637011760

約数和(自身を除く): 216858847

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 77419, 232257, 696771, 2090313, 5187073, 6270939, 15561219, 46683657, 140050971, 420152913]

約数ペア:

[(1, 420152913), (3, 140050971), (9, 46683657), (27, 15561219), (67, 6270939), (81, 5187073), (201, 2090313), (603, 696771), (1809, 232257), (5427, 77419)]