421236693

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{601}}^1$

素因数の和:1139

約数の個数: 40

約数和(自身を含む): 668689560

約数和(自身を除く): 247452867

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 509, 601, 1377, 1527, 1803, 4581, 5409, 8653, 10217, 13743, 16227, 25959, 30651, 41229, 48681, 77877, 91953, 233631, 275859, 305909, 700893, 827577, 917727, 2753181, 5200453, 8259543, 15601359, 24778629, 46804077, 140412231, 421236693]

約数ペア:

[(1, 421236693), (3, 140412231), (9, 46804077), (17, 24778629), (27, 15601359), (51, 8259543), (81, 5200453), (153, 2753181), (459, 917727), (509, 827577), (601, 700893), (1377, 305909), (1527, 275859), (1803, 233631), (4581, 91953), (5409, 77877), (8653, 48681), (10217, 41229), (13743, 30651), (16227, 25959)]