203557575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12281}}^1$

素因数の和:12324

約数の個数: 48

約数和(自身を含む): 383787936

約数和(自身を除く): 180230361

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 663, 975, 1105, 1275, 3315, 5525, 12281, 16575, 36843, 61405, 159653, 184215, 208777, 307025, 478959, 626331, 798265, 921075, 1043885, 2394795, 2714101, 3131655, 3991325, 5219425, 8142303, 11973975, 13570505, 15658275, 40711515, 67852525, 203557575]

約数ペア:

[(1, 203557575), (3, 67852525), (5, 40711515), (13, 15658275), (15, 13570505), (17, 11973975), (25, 8142303), (39, 5219425), (51, 3991325), (65, 3131655), (75, 2714101), (85, 2394795), (195, 1043885), (221, 921075), (255, 798265), (325, 626331), (425, 478959), (663, 307025), (975, 208777), (1105, 184215), (1275, 159653), (3315, 61405), (5525, 36843), (12281, 16575)]