85897755

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{557}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 156686400

約数和(自身を除く): 70788645

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 149, 207, 345, 447, 557, 745, 1035, 1341, 1671, 2235, 2785, 3427, 5013, 6705, 8355, 10281, 12811, 17135, 25065, 30843, 38433, 51405, 64055, 82993, 115299, 154215, 192165, 248979, 414965, 576495, 746937, 1244895, 1908839, 3734685, 5726517, 9544195, 17179551, 28632585, 85897755]

約数ペア:

[(1, 85897755), (3, 28632585), (5, 17179551), (9, 9544195), (15, 5726517), (23, 3734685), (45, 1908839), (69, 1244895), (115, 746937), (149, 576495), (207, 414965), (345, 248979), (447, 192165), (557, 154215), (745, 115299), (1035, 82993), (1341, 64055), (1671, 51405), (2235, 38433), (2785, 30843), (3427, 25065), (5013, 17135), (6705, 12811), (8355, 10281)]