401921985

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{2909}}^1$

素因数の和:3129

約数の個数: 32

約数和(自身を含む): 658172160

約数和(自身を除く): 256250175

約数列:

[1, 3, 5, 15, 61, 151, 183, 305, 453, 755, 915, 2265, 2909, 8727, 9211, 14545, 27633, 43635, 46055, 138165, 177449, 439259, 532347, 887245, 1317777, 2196295, 2661735, 6588885, 26794799, 80384397, 133973995, 401921985]

約数ペア:

[(1, 401921985), (3, 133973995), (5, 80384397), (15, 26794799), (61, 6588885), (151, 2661735), (183, 2196295), (305, 1317777), (453, 887245), (755, 532347), (915, 439259), (2265, 177449), (2909, 138165), (8727, 46055), (9211, 43635), (14545, 27633)]