64090413

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 97200000

約数和(自身を除く): 33109587

約数列:

[1, 3, 9, 27, 89, 149, 179, 267, 447, 537, 801, 1341, 1611, 2403, 4023, 4833, 13261, 15931, 26671, 39783, 47793, 80013, 119349, 143379, 240039, 358047, 430137, 720117, 2373719, 7121157, 21363471, 64090413]

約数ペア:

[(1, 64090413), (3, 21363471), (9, 7121157), (27, 2373719), (89, 720117), (149, 430137), (179, 358047), (267, 240039), (447, 143379), (537, 119349), (801, 80013), (1341, 47793), (1611, 39783), (2403, 26671), (4023, 15931), (4833, 13261)]