64345665

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 105114240

約数和(自身を除く): 40768575

約数列:

[1, 3, 5, 15, 89, 157, 267, 307, 445, 471, 785, 921, 1335, 1535, 2355, 4605, 13973, 27323, 41919, 48199, 69865, 81969, 136615, 144597, 209595, 240995, 409845, 722985, 4289711, 12869133, 21448555, 64345665]

約数ペア:

[(1, 64345665), (3, 21448555), (5, 12869133), (15, 4289711), (89, 722985), (157, 409845), (267, 240995), (307, 209595), (445, 144597), (471, 136615), (785, 81969), (921, 69865), (1335, 48199), (1535, 41919), (2355, 27323), (4605, 13973)]